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In the depths of the Alpine mountains, hidden in a sparkling grotto...
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A hidden natural jewel...
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Queen of the Mountains and Treasure of Central Switzerland...
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A connection of worlds...
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Small lake with lots of fun for children...
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A gateway to eternity...
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Haunted forest...
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- Category: Nature and landscape
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It is the origin of a story...
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- Category: Nature and landscape
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Largest natural underground lake in Europe...