The Odeillo solar furnace, larger than the Arc de Triomphe, is powered by the sun. It is one of the most powerful in the world.

A major site in our scientific heritage, the first semi-industrial scale solar furnace in the world. was built here. Its reflector has been registered as a Historical Monument since 2009. It houses the PROMES. PROMES, laboratory, a research unit with an international reputation

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