the highest thing in London

According to the rather twee "in-flight entertainment" video on the Heathrow Express last weekend, it's the fourth highest thing in London after the first Canary Wharf tower, the Post Office tower, and Tower 22 (where's that?). And I think that was before the subsequent towers were built at Canary Wharf. But none of those objects are frickin' gigantic Ferris wheels, so the Eye is still very cool.

Peter