Stock photography, photos: Mao Portrait - Beijing, China Stock photos of Portrait of Mao in Tiananmen Square. Tiananmen Square is one of the largest city squares in the world. It is situated in the heart of Beijing. The square was built in 1417 and was the entrance gate to the Forbidden City. Beijing, China. Photograph: © Robert Burch Click for a larger image and more information Keywords associated with this stock photo: Asia, China, Beijing, tiananmen, tiananmen square, Mao, Mao Zedong