This is a graduation photo showing Weng Sizhe (翁偲喆; fourth from right in the middle row) and his classmates in the physics “基地班” — a bachelor’s degree program that focuses on grooming students for research — at the School of Physical Science and Technology of 
Lanzhou University in 2018…
phy.lzu.edu.cn/info/1642/7943
Lanzhou University in 2018…
phy.lzu.edu.cn/info/1642/7943