Students prepare to attend the high school entrance exam in Minhang District, east China's Shanghai, June 27, 2020. Shanghai started the high school entrance exam on Saturday with strict COVID-19 control and prevention measures. Students are required to wear face masks before entering the examination rooms and can remove it once get seated. (Xinhua/Liu Ying)
Students get seated at an examination room for the high school entrance exam in Minhang District, east China's Shanghai, June 27, 2020. Shanghai started the high school entrance exam on Saturday with strict COVID-19 control and prevention measures. Students are required to wear face masks before entering the examination rooms and can remove it once get seated. (Xinhua/Liu Ying)
Students get seated at an examination room for the high school entrance exam in Minhang District, east China's Shanghai, June 27, 2020. Shanghai started the high school entrance exam on Saturday with strict COVID-19 control and prevention measures. Students are required to wear face masks before entering the examination rooms and can remove it once get seated. (Xinhua/Liu Ying)
Photo taken on June 27, 2020 shows a temporary observing booth for the high school entrance exam in Minhang District, east China's Shanghai. Shanghai started the high school entrance exam on Saturday with strict COVID-19 control and prevention measures. Students are required to wear face masks before entering the examination rooms and can remove it once get seated. (Xinhua/Liu Ying)
A teacher hugs her student before the high school entrance exam in Minhang District, east China's Shanghai, June 27, 2020. Shanghai started the high school entrance exam on Saturday with strict COVID-19 control and prevention measures. Students are required to wear face masks before entering the examination rooms and can remove it once get seated. (Xinhua/Liu Ying)