Which over nine centuries developed the earliest urban civilization in the nothern Mediterranean. Some of the tombs are monumental, cut in rock and topped by impressive tumuli (burial mounds). Many feature carvings on their walls, others have wall paintings of outstanding quality. The necropolis near Cerveteri, known as Banditaccia, contains thousands of tombs organized in a city-like plan, with streets, small squares and neighbourhoods. The site contains very different types of tombs: trenches cut in rock; tumuli; and some, also carved in rock, in the shape of huts or houses with a wealth of structural details. These provide the only surviving evidence of Etruscan residential architecture.