The South Theater Built during the reign of Emperor Domitian, between 90-92AD, the South Theater can seat more than 3000 spectators. The first level of the ornate stage, which was originally a two-storey structure, has been reconstructed and is still used today. The theater's remarkable acoustics allow a speaker at the centre of the orchestra floor to be heard throughout the entire auditorium without raising his voice. Two vaulted passages lead into the orchestra, and four passages at the back of the theater give access to the upper rows of seats. Some seats could be reserved and the Greek letters which designate them can still be seen.