Senior students study in a classroom with transparent boards placed on each desk to separate each other as a precautionary measure against the spead of COVID-19 at Wuhan No. 23 Middle School in Wuhan, central China's Hubei Province, May 6, 2020. About 57,800 students in their final year from 121 high and vocational schools returned to campus on Wednesday in Wuhan, the capital of central China's Hubei Province and a city previously hard hit by the COVID-19 outbreak. (Xinhua/Xiao Yijiu)
