High school students wearing face masks prepare for classes, with plastic covers placed on desks to prevent infection, as schools reopen following the global outbreak of the coronavirus disease (COVID-19), in Daejeon, South Korea, May 20, 2020.
High school students wearing face masks prepare for classes, with plastic covers placed on desks to prevent infection, as schools reopen following the global outbreak of the coronavirus disease (COVID-19), in Daejeon, South Korea, May 20, 2020.