Around the Rome of the classical iconography, the city of great beauty with its monumental and slightly decadent charm and its landmarks envied by the whole world, there stands another city — hidden, outside the tourist flows, lived in by more than half the people of Rome. A chaotic city, often built without permission, with its gates, railings, walls, trees, archaeological remains and cars overlapping and confusing themselves in an extraordinary visual disorder. It is the outskirts.