How the Colosseum Was Built – And Why Modern Engineers Still Can’t Copy It

Nearly 2,000 years old… yet still standing.

The Roman Colosseum wasn’t just an arena — it was an engineering miracle of concrete, arches, and design genius.

But here’s the real mystery:
👉 Even with all our technology, we still can’t fully recreate it.

In this video, we uncover how Rome built the impossible — from self-healing concrete to earthquake-resistant foundations — and why modern science is still trying to catch up.