Dr. Weili Qiu is an associate professor of physical geography in Beijing Normal University, China. He has been teaching physical geography, geomorphology and geology since 1989. His research interests focus on land use and human impacts, geomorphology and quaternary environments, environmental archaeology and human nature relation in the past. He hDr. Weili Qiu is an associate professor of physical geography in Beijing Normal University, China. He has been teaching physical geography, geomorphology and geology since 1989. Hi….