Two towers rise from a shared base in Suzhou, China, then lean together at the top into a single arch — a shape onlookers immediately compared to a giant pair of trousers. Completed around 2016 at a cost of roughly $700 million, the tower became one of the most-mocked entries in a wave of “weird buildings” across China — criticism serious enough that Beijing’s State Council moved that same year to formally discourage bizarre, oversized architecture nationwide.