Students are seen on campus of the University of California, Los Angeles (UCLA), in Los Angeles, the United States, Sept. 23, 2021.Photo:Xinhua
Students are seen on campus of the University of California, Los Angeles (UCLA), in Los Angeles, the United States, Sept. 23, 2021.Photo:Xinhua
Students are seen at the entrance of the Library on campus of the University of California, Los Angeles (UCLA), in Los Angeles, the United States, Sept. 23, 2021.Photo:Xinhua
Students are seen at a COVID-19 self-testing station on campus of the University of California, Los Angeles (UCLA), in Los Angeles, the United States, Sept. 23, 2021.Photo:Xinhua