Feature: Wearing mask, fewer S. Korean students go for college entrance exam

Invigilators hand out test paper to examinees attending the College Scholastic Ability Test (CSAT) in Seongnam City of Gyeonggi Province, South Korea, Dec. 3, 2020. South Korean students took the annual CSAT on Thursday amid a sharp resurgence of COVID-19 infections across the country. (Photo by Lee Sang-ho/Xinhua)