Ten statement buildings that never got built

After Foster + Partners' design for the Tulip tower was recently rejected by the UK government, we round up 10 other high-profile building projects that were never actually built.
Mexico City airport by Foster + Partners
The Tulip is not the first time Foster + Partners has seen its design efforts go unrealised. Construction on this airport for Mexico City was half-complete when the project was cancelled in October 2018.
The cancellation came after a public referendum on the airport was called b