in response to Nancy's A Photo a Week Challenge - RUINS
Roman amphitheatre in Pula,
The exterior wall is constructed in limestone. The part facing the sea consists of three stories, while the other part has only two stories since the amphitheatre was built on a slope. The maximum height of the exterior wall is 29.40 m. The first two floors have each 72 arches, while the top floor consists of 64 rectangular openings.