Amphitheater in Pompeii. Photo by Mboesch [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], from Wikimedia Commons.

Amphitheater in Pompeii. Photo by Mboesch [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], from Wikimedia Commons