Other than Beijing, Shanghai and Tianjin, what other major city is one of China's four direct-controlled municipalities, and is also the birthplace of Chinese rally driver, Liu Caodong?
Liu Caodong: Liu Caodong (刘曹冬, 22 February 1985 – 8 June 2011) was a Chinese rally driver born in Chongqing. Chongqing:  Administratively, it is one of China's four direct-controlled municipalities (the other three are Beijing, Shanghai and Tianjin), and the only such municipality in China located far away from the coast.
i don't know