On the afternoon of December 26, Professor Meng long Kimura (the director of the Japanese university degree evaluation and award committee) and professor Dagen (the chairman of Japanese Dam Construction Association) made an academic visit to the state key lab, accompanied by professor Zhang Changkuan (the president of HoHai university) and professor Guo Jichao (director of International Cooperation and Education Diversion of Hohai Univerisity). Professor Peng Shizhang (the director of the state key lab) and Professor Liu Ling (the deputy director of the state key lab) introduced the laboratory to the Japanese guests and showed them around the laboratory and experiment platforms.