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Photographer's Note

In the heart of the Valais, between Sion and Sierre, on the Simplon road, lies the largest underground lake in Europe.
In 1943, Jean-Jacques Pittard explored for the first time the mysterious cave of the underground lake.
Only in 1949 did the lake become accessible to the public. With a length of 300 m, a width of 20 m and a depth of 10 m, the underground lake of St-Léonard is the largest of its kind in Europe.
More than 100,000 tourists visit this exceptional natural wonder every year.

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