Front left to right:

Xiang Li, Grade of 2017-Master's degree student

Hengda Qiu, Grade of 2017-Master's degree student

Yan Shangqin, Grade of 2017-Master's degree student

Teacher Zhou Hang

Back left to right:

Zhang Jiyan, Grade of 2017-Master's degree student

Yang Guang, Grade of 2017-Master's degree student