Two senior citizens interested in theatrical performance take part in recreational activities at Xingqing Park in Xi’an, capital of north China's Shaanxi Province, Oct. 6, 2006. They celebrated the Mid-autumn Day together with the tourists by culture recreation.(Xinhua Photo)

Several senior citizens interested in theatrical performance take part in recreational activities at Xingqing Park in Xi’an, capital of north China's Shaanxi Province, Oct. 6, 2006.(Xinhua Photo)

A group of senior citizens interested in theatrical performance take part in recreational activities at Xingqing Park in Xi’an, capital of north China's Shaanxi Province, Oct. 6, 2006. (Xinhua Photo)