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Delegates watch an exhibition during the 25th International Council for Open and Distance Education (ICDE) World Conference, in north China's Tianjin, Oct 16, 2013. Delegates of 313 universities from home and abroad participated in the three-day conference, which opened in Tianjin on Wednesday. (Xinhua/Li Xiang)

Delegates watch an exhibition during the 25th International Council for Open and Distance Education (ICDE) World Conference, in north China's Tianjin, Oct 16, 2013. Delegates of 313 universities from home and abroad participated in the three-day conference, which opened in Tianjin on Wednesday. (Xinhua/Li Xiang)