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Photo: Benh LIEU SONG, CC BY-SA 3.0 via Wikimedia Commons
A cave that is known for the tallest known stalagmite of 30 metres.
Aven Armand is a limestone cave located in the Cévennes National Park of France, in the Lozère département, between Meyrueis and Sainte-Enimie known for the tallest known stalagmite of 30 meters.
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