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Invitation to the Workshop

Since 2017, following three years of reconstruction and renovation, the Caves of Han have been basking in a new, LED-lit ambience. When developing innovative products and services within the framework of this large-scale project, top priority was given to visual perception and premium quality. But what makes this project special? A milestone in the history of show cave lighting has been reached! What is it that makes an LED lighting system in a show cave unique? Which technical aspects have to be taken into account? Which positive effects does modern LED technology bring for visitors, operators, investors and for the show cave? Why do investments in future-oriented technologies pay off, regarding both the economic and the ecological operation of a show cave? We have collected all the information about the workshop in 3 languages: English, German und French.

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Workshop: Grotte de Han – New Dramatic Effect of the Light

Workshop: Grotte de Han – New Dramatic Effect of the Light in Han-sur-Lesse (Belgium) from 16 to 18 November 2017 We have collected all the information about the workshop in 3 languages: English, German and French. One in every four years Cave Lighting organizes informative events in different show caves in Europe. We last met in Switzerland in March 2013, where the specialist audience had the opportunity to visit the Höllgrotten Caves near Baar (Canton of Zug) and to inspect the electrical installation and the lighting system.

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Klutert cave / Kluterthöhle Step 2. New lighting system in Therapy area.

After large parts of the cave had been cleaned and after the so called lampenflora had been removed, the owner, in collaboration with speleologists, decided to replace the illumination system by modern LEDs. The aim was to ensure show cave operation on a permanent basis and to simultaneously highlight the beauties of the show cave, thus making it more attractive for visitors.

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LED Professional

At last ! The trade magazine LED Professional has disclosed the secrets of Cave Lighting’s underground world. Here you will find everything you would like to know about Cave Lighting. LED Professional became aware of our company because we are one of the few manufacturers of intelligent lighting solutions for underground projects.

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The Cave Lighting™ new product catalog.

At last! We are proud to present our new product and services catalog. Cave Lighting™ has completely revised and refreshed its previous catalog. We are still a one-stop shop and have accordingly represented our services more clearly, so that you can see our full range of products and services at a glance.

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The 2016 ISCA Conference in Oman.

OMAN hosts have organized what will be a wonderful and unforgettable experience for ISCA members and it will be a great opportunity to network with fellow show cave managers. The conference is November 6-13th and ISCA is rapidly approaching the deadline to register, book hotel rooms, flights and acquire visas.

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Job advertisement

Job advertisement for an electrician, lighting specialist (m/f) The German company Cave Lighting CL GmbH & Co KG looks for an electrician (m/f) to add to their team. Cave Lighting deals with design, planning, documentation and installation of underground LED-lighting systems. The projects happen in natural underground objects (as caves) as well as artificial made ones (as mines, tunnel, excavations, religious sites, etc.). The company is global oriented, that’s why the projects can take place in Germany and international

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EuroSpeleo 2016. 10 years of Cave Lighting project. LED lighting in show caves.

18.08.2016 at 10:00. Section OT2. This presentation tells about ten year experience of Cave Lighting in equipping (development and maintenance) modern subterranean tourist attractions.

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Grotte de Han (Belgium). The second part of the big project has been completed

Due to LED technology, specific points can be highlighted. In the past, cave sections only had enough illumination to guide visitors through the property. Most of the old lights glared so brightly that they prevented visitors from enjoying the details and the beauty of the cave. Now using modern materials and methods we are able to play with light and colour with spectacular results. Things that were never visible with the old systems are now highlighted in elaborate detail.

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Idar-Oberstein Gemstone Mine (Steinkaulenberg) 2016

The gemstone mines in Steinkaulenberg are the only gemstone mines in Europe accessible to the public. You will see sparkling rock crystals, amethysts, smoky quartz, calcite. For that reason the operators, Edelsteinminen GmbH, in cooperation with the city of Idar-Oberstein, set themselves the target of improving the presentation of the show mines and saving them from destruction in the long run. This could be realized by completely replacing the traditional illumination through an LED lighting system produced and installed by Cave Lighting™.

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Cayman Crystal Caves 2016

Cayman Crystal Caves on Grand Cayman Island. First video about caves and location on Cayman Island.

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Bilstein Cave Warstein - Modern LED technology instead of incandescent lamps

Previously no one probably thought that the cave in Warsteiner Bilsteintal, partially filled with clay, will be inundated with tourists. From 1850 meters of total length there is 400 meters opened for public visit.

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Bilsteinhöhle(Warstein) inauguration of the new lighting system

07.02.2016: The nex Cave Lighting project was fulfilled in November 2015. The show cave Bilsteinhoehle was equipped with the Cave Lighting LED system and will be inaugurated.

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AGM meeting at Aillwee Cave Co. Clare Ireland

Annual general meeting of Irish and British Show Caves. 10 Years of Cave Lighting Project by Alexander Chrapko and Vladimir Vashkevich.

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Grotta Nuova di Villanova Inauguration May 2015

Opening of the new show cave part in Grotta Nuova di Villanova. Cave Lighting installed 2014 - 2015 2 first sections of LED lighting system in the cave.

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3D photography of caves

Taking photos in underground circumstances requires not just physical skills, but lots of patience, and many special equipment. Although the photos are taken with two simple cameras, but for proper 3D display it is followed by long digital post processing. The captured images can be displayed in various ways depending on the location, demand and target audience.

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Rediscovering the beauty of Belianske Tatra underground

The spectacular landscapes of the High Tatra Mountains are world famous, but their underground is less known. Among all High Tatra caves, only one has been equipped as a show cave. Belianska is the cave where all the requirements for a visit to the underground world of these mountains are focused.

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ISCA meeting in Germany and Austria

15.10.2015: ISCA meeting 2015. Germany: Saalfeld Feengrotten, Barbarossa cave. Austria: Eisriesenwelt, Dachtein caves.

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Herbstlabyrinth cave // Opening the new bulilding of the show cave

The new building of show cave inaugurated at 20.09.2015

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Working in the Caribbean: Cave-Manager and Guides wanted

Far away from Europe, on Grand Cayman, which is the main island of the Cayman Islands, a new show cave is being developed. The Cayman Crystal Caves are a group of three caves which are accessed by a path in the tropical forest. Good news for all Caribbean tourists: the Crystal Caves are to be opened to the public in October 2015. And here is another piece of good news: there is a current need for qualified personnel for the show cave.

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Grotte de Han: The first big step towards total refurbishment has been taken

From February to April 2015 and in collaboration with the firm CE+T Technics S. A. and the Grotte de Han team, we redesigned the entrance area up to “Vigneron” chamber (about 300 m) and we equipped it with the Cave Lighting™ LED system as well.

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Hessian Export Award 2015

For the third time on July 6, the Hessian Export Award will be presented in Frankfurt/Main. One of the nominated companies in the category “International Services and Consultancy” is the Herborn-based company GermTec GmbH & Co. KG. Many of you will probably know the manufacturer of LED technology in connection with the Cave Lighting™ project.

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Show Caves Events in May - Juni 2015

Show Cave Events which could be interesting for you!

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Dechen Cave reloaded - April 2015

One of our reputable projects was completed in February 2015. The Cave Lighting™ teamis proud of having completely refurbished one of the most famous show caves of Germany after a seven years project time.

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Cave Lighting™ Project Report 2013-2014

June 2013 – December 2014 In the past we have given our customers an account of our successful projects, for example, the Schillathöhle(Schillat Cave)in Lower Saxony, the Kristallhöhle Kubach (Kubach Crystal Cave) near Weilburg, the Eisriesenwelt in Austria and the Höllgrotten in Switzerland in 2013....

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Merry Christmas and Happy New Year 2015

Merry Christmas and Happy New Year 2015

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Renewal of the lighting in the Lurgrotte Semriach, Austria

From June until August 2014 around 380 LED lamps were installed in the Dome. The lighting was then extended into the Great Dome Hall. The visitor penetrates the 5 km long Lurgrotte on good paths to reach daylight again in Peggau. 2 km of the Semriach part on the caved is accessible, 1 km of which belongs to the usual guided tour route.

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Renewal of the lighting and paths in the Erdmannshöhle

Since the official inauguration on the 12th. April the visitor to the Erdmannshöhle experiences a completely new ambience in a hitherto unknown light. The complete renewal of the lighting using power-saving LED lamps allows the real splendour of the speleotherms to be properly appreciated for the first time.

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Modern safety solutions for LED lighting systems

Operational breakdown due to lightning or power surge (also: voltage spikes or overvoltage) is a theme well known to show cave operators because failure of the lighting system and also of the telephone, computer and box office operation is annoying and may well bring guided tours to a standstill.

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BARANGVILÁGÍTÁS 2. The International Conference on Cave Lighting

The Hungarian Speleological Society is organising an international Conference from 9th to 12th October 2014 in Miskolc, Hungary.

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The new

After a long period of development including various laboratory and cave tests we are now proud to present our first LED lamp of the new 'Impervious' series

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After the congress

As imparted in July, the Cave Lighting team was represented at the congress by Alexander and Lubov Chrapko along with Oliver Heil.

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16th International Congress of Speleology

The International Congress of Speleology (UIS 2013) takes place from 21st - 28th July in Brno, Czech Republic. GermTec GmbH & Co KG will be present with an information stand where visitors will have the opportunity to find out more about the Cave Lighting project.

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Made by Cave Lighting / Hollgrotten, Switzerland: HEAVEN AND HELL

20th April – 5th October 2013 150th anniversary of the Höllgrotten

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Made by Cave Lighting: Schillat Cave, Lower Saxony, Germany, February 2013. Feedback, November 2013

Schillat Cave was once notorious for being Germany’s worst illuminated show cave. Now this reputation is a thing of the past.

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A New Service from Cave Lighting Project

Cave Cleaner for the removal and prevention of lamp flora in show caves

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Made by Cave Lighting: Iberger Tropfsteinhöhle, Germany, October – December 2012

The show cave Iberger Tropfsteinhöhle, Germany, now with innovatively sophisticated illumination concept.

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LED Technologies and Lamp Flora. Pros and Cons

For eight years Cave Lighting project has been installing LED lighting equipment in show caves. Nowadays about 40 underground facilities successfully use 'Cave LightingTM' LED systems. For eight years we have been watching our systems: we have been assessing the reliability of their work and the influence on the ecosystem of caves. You can find some of our conclusions and recommendations for the use of LED lighting in show caves in this article.

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Information Day for Show Cave Operators

Hollgrotten Show Cave and Cave Lighting Project invite you to a specialised seminar 'Information day for show cave operators

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ISCA Conference 2012

The International Show Caves Association is organising an international conference from 3rd to 11th November in Greece and Turkey.

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Made by Cave Lighting: Show caves in Romania, 2012

Scarisoara Ice Cave, Farcu Cave, Meziad Cave.

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Made by Cave Lighting: Eisriesenwelt, Austria, June 2012

The Eisriesenwelt, (also known as Posselthöhle - Possel Cave - first described by anon. in 1879, then by Posselt in 1880; cave registry no. 1511/24) with its overall length of 42 km is considered to be the longest ice cave in the world. It was discovered in 1879 by Anton von Posselt-Czorich. Today it is a popular tourist attraction.

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Made by Cave Lighting: Postojna Cave, Slovenia, May 2012

The cave of Postojna (Slovenian: Postojnska jama, Italian: Grotte di Postumia, German: Adelsberger Grotte) is situated near the Slovenian town of Postojna. It is the second longest cave in this karst region and also one of the longest show caves in the world. The accessible part for tourists is open the whole year round. Its length of over 20 km is partly covered by train.

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Made by Cave Lighting: Caves of Han-sur-Lesse / Les Draperies, Belgium, May 2012

A new region in the caves of Han-sur-Lesse with our Cave Lighting™ LED-System now opened.

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Made by Cave Lighting: Sophie’s Cave, Germany, April 2012

Sophienhohle (Sophie’s Cave) shines in the new Cave Lighting™ music and lighting show A masterpiece of nature – one of the most attractive show caves in Germany with new LED illumination and Cave Lighting™ hi-fi equipment.

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Made by Cave Lighting: Hella Glück Mine Gallery, Germany, March 2012

Show Mine Neubulach in the Northern Black Forest with new LED lighting. Hella Glück Mine Gallery is run by the Neubulach historical mines society. It forms part of the recreational area “Neubulach Mine” and is superbly equipped for visitors. The mine was refitted by us using the latest LED technology as far as the 'Segen Gottes Gang' (God’s Blessing Passage) and can be comfortably and safely negotiated by both old and young.

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Made by Cave Lighting: Heinrich

Cave bears in new LED light. This show cave, situated in the Sundwig district of the town of Hemer, was discovered in 1812 by Heinrich von der Becke and initially opened to the public with electric lighting in 1905. It was then closed in 1940 and only reopened by the town administration in 1976.

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Show cave Hollgrotten (Switzerland) is open to public

One of the most interesting show caves of Switzerland Höllgrotten is open to public from April 1. It is situated in a German speaking part of Switzerland, in Baar town which is not far from Zurich

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Made by Cave Lighting: Teufelshöhle, Germany, September - October 2012

The Teufelshöhle (Devil’s Cave) is a limestone cave in the Main-Kinzig district in Hesse. It is situated roughly three kilometres north of Steinau an der Strasse on the slopes of the Kieskopf between the Spessart in the south and the Vogelsberg in the north.

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The underground fortifications of Dillenburg Castle (Germany)

300 new LED lamps show the casemates in a new light Our project in the underground fortifications (casemates) of Dillenburg Castle has been successfully concluded.

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Bad Segeberg Show Cave (Germany)

Experiences with the new LED Cave Lighting by Germtec GmbH & Co.KG over the past three years.

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Charlotte Cave in Hürben with a new 'Cave Lighting' LED-System

Following initial testing with our LED lighting in 2009 and after many discussions and exact planning, the complete old lighting system was dismantled and replaced by a new LED-lighting system over a course of three months commencing in May 2011.

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One of the oldest show caves of Germany with new Cave Lighting LED system

Sontheimer cave near Heroldstatt on the Schwäbischen Alb, January, 2011.

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Speleological and Cave Lighting Project news from Austria and Germany

The Austrian speleological association VÖH reached an agreement with the Speleological Club SAH e.V. Together with the Cave Lighting Project team and members of Austrian speleological association, the show cave department spent two days visiting the Breitscheid Cave and the Herbstlabyrinth Cave in Germany.

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New Show Cave in Romania

Pestera din Valea Fundata cave is the first cave in Romania equipped with the constructions made of glass reinforced plastic and an LED lighting system.

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The Results of the ISCA Congress-2010. Cave Lighting Project Presentation

From October 18th to 23rd, 2010 in the Slovakian city of Liptovsky Mikulas, the 6th congress of the International Show Caves Association was held.

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Cave Lighting Project takes part in the 6th ISCA congress

From October 18th to 23rd, 2010 in the Slovakian city of Liptovsky Mikulas the 6th congress of the International Association of Show Caves ISCA is being held.

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Cave Lighting project will take part in the annual congress ANECAT

From October 13th to 15th, 2010 at the La Grotte de Clamouse Cave, the annual congress of the French association of show caves, ANECAT, will be held.

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The Wendelstein Show Cave in Germany. The LED lighting and interactive excursions

The LED lighting and interactive excursions. Caveconsole Software is a new solution developed by GermTec GmbH & Co. KG. It synchronizes the LED Cave Lighting system performance with the individual interactive excursions.

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Grottes de Remouchamps is the first Belgium show cave equipped with LED lighting

At the end of May 2010 the first show cave with LED lighting was open to public in Belgium. The ‘Cave Lighting’ project team installed the controlled LED lighting system in the Cathedral Hall of the Remouchamps Cave (Belgium).

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Cave Lighting Project Presentation in Russia

The Cave Lighting Project was presented to a meeting of the Speleological and Karst Commission of Russian Geographic Society in Saint Petersburg. The LED Cave Lighting Equipment was demonstrated in the Sablinsky Caves, Leningrad Region, Russia.

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Kumistavi (Tshaltubskaya) Show Cave in Georgia

GermTec GmbH & Co. KG Company continues working in Kumistavi (Tshaltubskaya) Show Cave as part of the "Cave Lighting" project. Pre-draft and draft work is over, the lighting equipment has been manufactured. The installation work is to start in June 2010.

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Installation of Cave Lighting equipment in Slovenia

Cave Lighting LED lamps were installed in Postojna Cave. LED illumination was tested in Skocjan Caves.

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LED Cave Lighting Illumination in La Grotte de Clamouse Cave (France)

04 January - 05 February, 2010 Modern high technology LED Cave Lighting system was installed in La Grotte de Clamouse Show Cave in France.

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Installation of Cave Lighting™ LED Illumination System in Dechenhohle Cave

At the end of October 2009GermTec GmbH & Co. KG Company installed a Cave Lighting™ LED Illumination System inside the "Kanzelgrotte", at the Dechenhöhle Cave located in Iserlohn, Germany. LED lamps successfully replaced the outdated halogen ones, and an illumination control system made the shows even more interesting.

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Waterproof Testing of Cave Lighting LED luminaires

In July 2009 GermTec GmbH & Co.KG commenced official waterproof testing of the Cave lighting LED `Q` and `QP` series lamps. Equipment testing is performed according to our procedures and with the help of the testing stand developed by our company in conformity with International standards.

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Cave Lighting Equipment demonstration at the Dechenhöhle Cave (Germany)

In July 2009 GermTec GmbH & Co.KG carried out a demonstration of Cave Lighting equipment in the German show cave Dechenhöhle.

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Balcarka Show Cave LED lamp lightning project (the Czech Republic)

Germtec Company technicians planned, produced and installed Cave Lightning LED-Light controlled system in the Balcarka show cave (Blansko, Czech Republic).

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After a reconstruction, Balcarca cave (Czech) has opened its gate again on 4th of July 2009

Not too far away from Ostrov Macochy village, at the edge of Moravian Karst, in a wider opened section Caos Suchy Zleb, two-storeyed Showcave Balcarka with 605m long path can be found.

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Grand opening ceremony on 9th and 10th may 2009 for new show cave in Breitscheid/Hesse

Many hard working hands where needed for the opening on 9th may. Workers from GermTec, municipal workers and many voluntary workers worked till the last day before opening on last preparations.

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Saint Seraphim Sarovsky Orthodox Cathedral illumination project

Saint Seraphim Sarovsky Orthodox Cathedral illumination project was completed by orthodox Easter in Brest (Belarus). Due to the modern LED lighting illumination the cathedral becomes transformed: sparkling, radiating with beauty building charms and creates the impression of lightness and solemnity at the same time. The parishioners present, when the illumination was turned on for the first time, had a feeling as if the cathedral had soared into the sky.

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New show cave is opening his doors

Latest technology in Hessen´s 3th show cave.

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Information day: New technologies in the new show cave

Cave Lighting™ will invite you to an Information Day on 26th or 28th February 2009 into „Knöpfchenhalle“ at the Herbstlabyrinth in Breitscheid. We will present you the Karst around Breitscheid, the new LED-light-technique of CaveLighting™ and the first time use of fibre-glass-plastik (FRP) inside a cave.

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26.02.2009. Information day: New technologies in the new show cave

Cave Lighting™ will invite you to an Information Day on 26th or 28th February 2009 into „Knöpfchenhalle“ at the Herbstlabyrinth in Breitscheid. Cave Lighting™ will invite you to an Information Day on 26th or 28th February 2009 into „Knöpfchenhalle“ at the Herbstlabyrinth in Breitscheid. We will present you the Karst around Breitscheid, the new LED-light-technique of CaveLighting™ and the first time use of fibre-glass-plastik (FRP) inside a cave.

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The Lighting System of the Cave of Bad Segeberg Based on Power LEDs

At the beginning of 2008, the project team received an absolutely unexpected inquiry from the Geological Bureau of Reinhard Voelker.

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Constructed the original exposition, devoted to caves and a karst of region Breitscheid

On October the 3rd 2007 at 18:30 in an assembly hall of local lore museum of settlement Erdbach/Breitscheid was a solemn opening of a new exposition of the museum.

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unterTage Alpin 2007

German Speleological Federation (Verband der Deutschen Hohlen- und Karstforscher) kindly invites to the International Conference of Alpine Speleology

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Scandinavian Speleological Congress - Baltic Speleological Congress

From August, 13 till August, 15th 2007 in Sweden on island Gotland in the city of Visby passed the first Scandinavian Speleological Congress – Baltic Speleological Congress BSC.

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Equipment light system installation in Slovenia

From 23d to 28th May a leading group of "Cave Lighting" project consisting of Vladimir Vashkevich and Alexander Chrapko went to Slovenia, to the area near the town Koper for handing over the equipment to the customer and performing start-up work in the “Sveta Jama” cave.

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Cave Lighting project at the 47th all-German Speleological Congress

We presented new equipment of the 3d generation and demonstrated new development works and first articles of LED lantern series

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Test of the light equipment on the basis of Travel Kit v2. v3

On 13 th May 2007 a team of the CaveLighting Project in the course of that testing the "Knoepchenhalle" part was lighted – the part of the cave designed for arrangement of a show object.

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Start

Landscape (cave) lighting is a multilevel system composed of various luminaires that tackles simultaneously functional, aesthetical and emotional tasks. Sightseeing cave lighting is of greatest importance for an impression that a cave makes on people visiting it. An inauspiciously designed light will make a cave look like a cold bleak basement or a lighted railway tunnel. And vice versa a skillfully designed and mounted light will turn an ordinary cave into something enigmatic and romantic.

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