On the afternoon of May 27, SEM 30^thanniversary torch relay was held on Siping campus, on the theme of Sustainable Development. Prof. WU Zhiqiang, Tongji vice president, made a welcome remark and extended his wishes to SEM students and faculties. SEM management team took part in the activity. The torch was relayed and escorted by a group of people from Yuntong building, across the campus to Sculpture MAO Square in the end. There were 7 SEM leaders and 20 students and faculties attended.