The most difficult Shanghai riddles

Shanghai is the largest city by population in the People's Republic of China. It is located in the delta of the Yangtze.

The Jin Mao Tower is an 88-story (93 if counting the floors in the spire) landmark skyscraper in Lujiazui, Pudong, Shanghai, China. It is 420.5 metres (1,380 feet) tall and is one of the tallest buildings in the world. It contains a shopping mall, offices and the Grand Hyatt Shanghai hotel, which at the time of completion was the highest hotel in the world.

The Oriental Pearl Tower is a TV tower located in Shanghai. At 468 m high, it was the tallest structure in China from 1994–2007, when it was surpassed by the Shanghai World Financial Center.