Dong Lei, 27 years old. God knows the runner-up winner. Tsinghua University, a third-year student in architecture department, has a double bachelor's degree in economics. Tsinghua Challenge Cup Grand Prize, Daniel of the School of Architecture. 12006 Dong Lei won the silver medal in the National Physics Olympiad with the second place in the province, and was interviewed by Tsinghua University. The news excited the whole school.