Flowers are being arranged at Tiananmen Square in Beijing on Thursday for the ceremony to mark the 100th anniversary of the Communist Party of China. Photo: Yin Gang/Xinhua

People sit at Tiananmen Square in Beijing to watch the ceremony on Thursday. Photo: Li Xiang/Xinhua

Performers sing at the ceremony to celebrate the 100th anniversary of the Communist Party of China on Thursday in Beijing. Photo: Zhang Lin/Xinhua

Military aircraft fly over the ceremony venue in Beijing on Thursday. Photo: Li Mengjiao/Xinhua

Military aircraft fly over Huabiao, the Ming dynasty ornamental column, during the ceremony in Beijing on Thursday. Photo: Yin Gang/Xinhua

Military aircraft fly over Tiananmen Square during the ceremony in Beijing on Thursday. Photo: Ren Chao/Xinhua