They knocked it down.
The bizarre Italians who sank a passenger ship Costa Concordia, by showboating and winning the 'who can drive closest to shore' award have plumbed new shallows. The idiots. I won't be surprised to learn that the two pilots aboard the ship were feuding with each other and one sabotaged the other leading to the first successful Italian nautical attack on a building since Venice was a Republic. I think in that one they took out either the Colossus of Rhodes or the Lighthouse at Alexandria.
On the gripping hand? That tower didn't have to be there. Putting it there was hubris.