What caused the decay of the Roman Colosseum?

It stopped being maintained by the Christian emperors and popes after them because it had been used for many sacrilegious pagan things like gladiatorial games and sacrifices to “false gods.” It fell into disuse after the fall of the West. read more

There are two factors in the decay of the Colosseum: Nature and humans. First, Nature has subjected the Colosseum to several earthquakes including ones in 443 and 1349 AD. It has also suffered weathering from rain, especially acid rain caused by industrial pollution. Secondly, humans. read more