The Temple of the Valadier is a peculiar church located at Genga, Marche, near the Frasassi Waterfalls.

 Pope Leo XII ordered the construction, in 1828, on the basis of a draft drawn up by the architect Giuseppe Valadier.  The church, built according to a plan in the shape of an octagon, has a domed roof covered with lead plates and is perfectly inserted in a cave . It was built in travertine, proceeds from a quarry that is located upstream.

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