Meyrueis, Lozere (France) - what is this place famous for? Help me win a prize!?

A friend has set me a challenge. Each day he gives me a clue, and by next Friday I have to guess what each of the clues relates to. Today was clue number 1. It was, simply "Meyrueis, Lozere".
I know this is a village in France, but little else.
Any ideas? Thanks!
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