According to modern parlance, the nickname of the Valle dell’Inferno (Valley of Hell) is linked to the many kilns that once filled this valley with smoke, but the name instead refers to a ferocious battle between the papal troops and the Lanzichenecchi of Charles V during the 1527 Sack of Rome. A center of clay extraction and brick production from the 1st century AD onwards, in the 5th and 6th centuries under Theodoric and then Belisarius, bricks produced here were used to r