On March 27, tsinghua campus beautiful, yulan in full bloom. When Xu Yongguang and steel son appeared in tsinghua university building floor hall room 301 of the north tower, the students have to stand up to a big round of applause. In the afternoon, public welfare institutions, tsinghua university management ability to ascend the third phase of the senior class graduation ceremony held here. "Public welfare institutions senior managers ability to ascend workshop" is by tsinghua university and middle public welfare state volunteer of public service platform, a total of...