Well, if all else fails, I turn to sarcasm to get me through the day
HERE’S WHAT REALLY HAPPENED TO THE MISSING HALF OF THE COLOSSEUM
The Roman Colosseum may be virtually immortal, but it definitely looks its age. The nearly 2,000-year-old amphitheater was once nearly twice as large as it is today (via Rome City Tour). Since the very first gladiators were thrown into its bowels in the early centuries, the Colosseum has survived many calamities. The temperamental geography of the Earth’s crust in Italy doesn’t just extend to Pompeii. The great city of Rome — once the largest in the world for its time — has crumbled more than once. Once upon a time, an earthquake struck, and along with much of Rome, so went half the Colosseum.
Go read it all, some fascinating history