That clock tower is the Elizabeth Tower, and the bell hanging inside it is Big Ben — not the tower, not the clock, the BELL. Thirteen and a half tonnes of metal. And the first thing nobody tells you about it: it's broken.
When they cast it, the man in charge of the clock insisted on a hammer more than twice the weight it was supposed to be. He was warned. He did it anyway. The bell rang for about two months and then cracked straight up the side. Big Ben went silent for three years. And the fix they finally landed on is pure British compromise. They didn't recast the bell. They turned it an eighth of a turn so the hammer would hit a fresh spot, fitted a lighter hammer, and called it done. They spun the bell around and hit it somewhere else.
So the bong you've heard your entire life — in movies, on the news, on New Year's Eve — is the sound of a cracked bell. That slightly off, slightly mournful note is the crack. London broke the most famous bell in the world and decided the broken ve
rsion sounded better.
The tower itself leans. Genuinely — about nine inches to the northwest, because it's sitting on soft London clay, and the underground line they dug in the nineties nudged it a little further. Engineers ran the numbers and announced the tower will be perfectly fine for the next four thousand years. Which is a very confident thing to say about a building that is already tiltin
