Time:
two thousand and twenty-three
10/28
08:30-28 18:00
Water Great Wall of Huanghuacheng, Huairou District, Beijing, etc
06/18
08:50-12:00
Science Hall of Beijing Jiaotong University, Haidian District, Beijing
03/12
19:00-20:30
Haidian District, Beijing SD306
two thousand and twenty-one
09:30-11:30
821, Siyuan East Building, Beijing
06/11
08:20-11:00
06/04
14:20-17:30
06/03
14:20-17:00
Tianyou Hall, Beijing Jiaotong University, Haidian District, Beijing
05/24
13:30-16:00
Beijing Siyuan East Building 103
05/17
14:30-17:00
821 Siyuan East Building, Haidian District, Beijing
04/23
15:00-17:30
Multi function Hall on the third floor of Hongguoyuan, Haidian District, Beijing