Zhang Xiaoyong, a man who graduated from Tsinghua University in 1996, is now a security guard of a market in Changsha, Central China's Hunan province, youth.cn reported. Zhang was hired by a company in Guangzhou after graduation, but he was not dispatched to the R&D department which was his dream, and his father was seriously ill. So he went back to his hometown and worked as a security guard after several years of working at an estate agency. "I am not frustrated for my talent, but I had to choose to take things as they are when dreams and reality fiercely crashed," he said.