21h 28min, apr 8, 80 y - 44 Colosseum

Description:

70-80 CE
Stone and concrete
Rome, Italy

Donut shape
Sand floor

Original name = Flavian Amphitheater, this named after the family who paid for the theater.

Use of arches and concrete allowed them to build a double theater.

Held 50,000 people
Roman numerals above arch ways to show where seating was much like we use in modern stadiums.
People would have tickets and assigned seats. Seats were assigned according to status.
Most important close to arena and women towards the top.