The Colosseum in Imperial Rome
The elliptical building is immense, measuring 188m by 156m and reaching a height of more than 48 meters (159 ft). The magnificent structure was clad in marble and 160 larger-than-life statues graced the arches on the upper floors.
The Colosseum could accommodate some 55,000 spectators who entered the building through no less than 80 entrances. Above the ground are four stories, the upper story contained seating for lower classes and women.