The Circus of Nero or the Circus of Caligula, Rome, (1901). Artist: Heilbronn [Getty Images]

The Circus of Nero or the Circus of Caligula, Rome, (1901). A print from La Vie au Grand Air, December 1901. (Photo by Art Media/Print Collector/Getty Images) — see more

The Circus of Nero or the Circus of Caligula, Rome, (1901). A print from La Vie au Grand Air, December 1901. (Photo by Art Media/Print Collector/Getty Images)

Hulton Archive Print Collector