Rome’s Colosseum to gain hi-tech arena floor

The Roman amphitheatre’s floor was removed in the late 1800s when archaeologists began to excavate the subterranean levels of the structure. Photograph: Domenico Stinellis/AP

The Roman amphitheatre’s floor was removed in the late 1800s when archaeologists began to excavate the subterranean levels of the structure. Photograph: Domenico Stinellis/AP

source https://www.theguardian.com/world/2021/may/02/rome-colosseum-to-gain-hi-tech-arena-floor