Amphitheatre
device · 70 BC · Ancient world
An oval theatre with tiers (the Colosseum).
What it is made of
- Arch — has part. Arcades.
Principles and materials it uses
- Roman concrete — is made of. The Colosseum.
Things built in a similar way
- Stadium — works like. The Greek stadium is older than the Roman amphitheatre; modern stadiums combine both layouts.