It is very interesting. Certainly there are holes where people have stolen iron. But more importantly, the materials in the Colosseum are massively pillaged b

It is very interesting. Certainly there are holes where people have stolen iron. But more importantly, the materials in the Colosseum are massively pillaged by christians for use in other buildings. The Pantheon was turned into a church, and thus was off limits. In Rome they call it "recycling". An interesting article: https://engineeringrome.org/ancient-structures-in-rome-the-colosseum-pantheon/ https://engineeringrome.org/ancient-structures-in-rome-the-c...