Students attend a flag-raising ceremony held on campus of a middle school at the start of a new school year amid easing COVID-19 restrictions in Vientiane, Laos, Sept. 1, 2020. (Photo by Kaikeo Saiyasane/Xinhua)

Students go to a middle school at the start of a new school year amid easing COVID-19 restrictions in Vientiane, Laos, Sept. 1, 2020. (Photo by Kaikeo Saiyasane/Xinhua)

Students attend a flag-raising ceremony held on campus of a middle school at the start of a new school year amid easing COVID-19 restrictions in Vientiane, Laos, Sept. 1, 2020. (Photo by Kaikeo Saiyasane/Xinhua)

Students go to a middle school at the start of a new school year amid easing COVID-19 restrictions in Vientiane, Laos, Sept. 1, 2020. (Photo by Kaikeo Saiyasane/Xinhua)