Schools set to reopen across world amid COVID-19 challenges(1/6)

Students have a class in Hubei Shuiguohu No. 1 Middle School in Wuhan, central China's Hubei Province, Aug. 10, 2020. (Photo by Zhao Jun/Xinhua)

A student has his temperature checked before entering the Shuangyushu No. 1 Primary School in Beijing, capital of China, June 1, 2020. (Xinhua/Ren Chao)

A sign reminding people to wear face masks is seen in front of a library on Georgetown University's main campus in Washington, D.C., the United States, July 7, 2020. (Xinhua/Liu Jie)

A woman walks past the closed Maria Montessori High School in Rome, Italy, March 5, 2020. (Xinhua/Cheng Tingting)

Students attend a class at a school in Yaounde, Cameroon, June 1, 2020. (Xinhua/Jean Pierre Kepseu)

Teacher Dawn Burrows gets ready for a maths class with her Year 6 pupils from Landywood Primary School in a socially distanced classroom in Staffordshire, Britain on June 8, 2020. (Photo by Jon Super/Xinhua)