The room has one of the Fascist era mosaics showing a tiger ambushing two deer.

[6] The exhibits explain the events that necessitated their construction, and the reasons for the choice of the path followed.

This room provides information about the Ports San Sebastiano and other gates in the walls of Rome.

This contains a model of wall fortifications designed by Antonio da Sangallo (1453-1534).

[4] The terrace of the Porta San Sebastiano can be visited together with a 350-meter stretch of the inside of the Aurelian Wall going west as far as the Via Cristoforo Colombo, in a covered gallery interrupted by ten towers.

[7] Arrow slits for archers can be seen, as well as staircases inside several of the towers which used to lead to the command rooms.