Group MembersGroup portraits from 2021 and 2023.Browse galleriesGroup Members Meetings Have Fun Dine Together GraduationGroup photo at the Lakeview Hotel Beijing, on the bank of Weiming Lake at Peking University, January 2, 2021.Group photo in front of the School of Physics, Peking University, June 15, 2023.Group photo in Peking University Library, June 15, 2023.