Petra's theater was built in the 1st century AD. It is quite large, with a seating capacity of over 6,000 people. The theater's 45 rows of seats are divided horizontally by two diazomata. Its cavea faces north and east, to keep the sun out of the spectators' eyes. Above the cavea are numerous tomb fronts, that were destroyed to make way for the theater's upper tiers of seating.