Useful Info

 PEOPLE
Population 1247 mio (est. July 1999) (annual growth rate 0.77%)
  92% Han Chinese, many minorities including Zhuang, Uygur, Hui, Yi, Tibetan, Miao, Manchu, Mongol, Buyi, Korean
Life expectancy 68 years
Language The official language within China is the Putonghua (Mandarin, based on the Beijing dialect.) Yue (Cantonese), Wu (Shanghainese), Minbei (Fuzhou), Minnan (Hokkien-Taiwanese), Xiang, Gan, Hakka dialects, minority languages
Religion Officially, China is atheistic, but religions are (again) tolerated. Mostly Daoism and Buddhism, often a blend between the two. 2% - 3% Muslim, 1% Christian

Asian people, and Chinese don't make an exception, like to take pictures. The most important thing is the person on the picture, e.g. me in front of the Forbidden City, me on the Great Wall, me next to ... They also like being photographed together with a white person. So, if you are a white person, expect to be grabbed by locals that want to take pictures with you.