A chorus of office staffers from Hainan state-run enterprises perform Chinese "red songs" during a ceremony in Haikou, capital of South China's Hainan province on June 19,2011. The ceremony is to celebrate the upcoming 90th Anniversary of the founding of the Communist Party of China [Photo/Xinhua]

Performers wearing China's revolutionary costumes perform on stage on June 19 in Wuxiang, the birth place of the "Balu army" which was a branch of China's revolutionary army in the 1950s, in Central China's Shanxi province. The themed performance aims to celebrate the upcoming 90th Anniversary of the founding of the Communist Party of China [Photo/Xinhua]