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Europe s largest underground lake seegrotte hinterbr l austria
The Seegrotte, near Hinterbrühl, Austria, is an underground cave system with a large grotto located under a former gypsum mine.
Contents
- Europe s largest underground lake seegrotte hinterbr l austria
- Seegrotte hinterbr hl 2016
- World War II history
- References
It was closed in 1912 after the mine flooded with 20 million liters of water. It became a tourist attraction after 1930 and has been one ever since, with the exception of World War II. The lake is 60 meters below ground, the water surface is 6200 m² and pumps are used to keep the waterlevel down.
Visitors can tour the old mine and take a boat ride across the underground lake.
Seegrotte hinterbr hl 2016
World War II history
During World War II the Seegrotte was used for production of Heinkel He 162 jet fighters in Nazi Germany's "second Ruhr".
References
Seegrotte Wikipedia(Text) CC BY-SA