 It is one of the most complete Roman fora situated on a platform.Built into the platform are cisterns to store rainwater collected from above.The Basilica is located to the north side of the forum while on the west side are the "Exedra" (Hall of the imperial cult) and Cryptoporticus, a vaulted underground gallery functioning as a street or storerooms that also served as foundation to the floor of the Exedra and which occupies the whole side of the platform from the Basilica to the southern limit of the Forum.