Roman Colosseum. Built by Emperor Vespasian. Build Period: 70 - 72 AD. Location: East of the Palatine Hill. Arena Walls, Four Floors, Three Type of Columns, Flags, Gladiators Gate, Emperor's Seat, Underground, Seats. Labeled Objects. Polygons (Faces): 301296 Vertices (Verts): 331183 Created with Blender 2.81 Ready for Unity Game Engine.