"The Frasassi Caves (Italian: Grotte di Frasassi) are a remarkable karst cave system in the municipality of Genga, Italy, in the province of Ancona, Marche. They are among the most famous show caves in Italy."@en . "(Frasassi Caves)"@en . . . "Grotte di Frasassi"@en . . . "400.0"^^ . . .