Cai Wei, a pedicab driver, shows the notification of admission to Shanghai's prestigious Fudan University for doctor's degree studies of Chinese ancient documents, in Jinzhou City, northeast China's Liaoning Province, July 16, 2009. Cao Wei only obtained a high school diploma and went to work in a factory, where he was laid off in 1994. He studied ancient documents and published articles in online forums. Impressed with Cai's knowledge, Fudan's professor Qiu Xigun, a prominent academic in the field of ancient documents, recommended him to attend the doctor recruitment exam. [Xinhua]