Mahjong Twin Towers is a popular layout of the Mahjong solitaire game. We can assume that this layout is a representation of the twin towers of the Chinese city of Guangzhou. The Guangzhou Twin Towers are two skyscrapers in Guangzhou, Guangdong Province. They are the two tallest skyscrapers in the city. The West Tower, Guangzhou International Financial Center, was designed by Wilkinson Eyre, and the East Tower, Guangzhou Chow Tai Fook Financial Center, by Cohn Pedersen Fox.