15h 44min, dec 17, 75 y - Colosseum
Description:
70-80 CEStone 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
Added to timeline:
Date:
15h 44min, dec 17, 75 y
Now
~ 1951 years ago