Evans, Farrell. “How the Colosseum Was Built—and Why It Was an Architectural Marvel | HISTORY.” HISTORY, 15 July 2022, www.history.com/articles/how-roman-colosseum-built.
“24 Mind-Blowing Facts about the Roman Colosseum.” The Colosseum, 2021, www.thecolosseum.org/facts/.
Booms, Dirk. “10 Facts about the Colosseum! | National Geographic Kids.” National Geographic Kids, 7 Nov. 2018, www.natgeokids.com/uk/discover/history/romans/colosseum/.
“Colosseum Facts for Kids.” Kids.kiddle.co, kids.kiddle.co/Colosseum.