Students wait in line to wash their hands on the first day of school in 2020-2021 academic year at a junior high school amid the COVID-19 outbreak in Pesisir Selatan region, West Sumatra, Indonesia, July 13, 2020. Students in Indonesia went back to schools located in low-risk areas under tight health protocols after the closure of education facilities for months due to COVID-19 pandemic. (Photos: Xinhua)

Students react in class on the first day of school in 2020-2021 academic year at an elementary school amid the COVID-19 outbreak in Pesisir Selatan region, West Sumatra, Indonesia, July 13, 2020. Students in Indonesia went back to schools located in low-risk areas under tight health protocols after the closure of education facilities for months due to COVID-19 pandemic.

A teacher wears face mask for an elementary school student in class on the first day of school in 2020-2021 academic year amid the COVID-19 outbreak in Pesisir Selatan region, West Sumatra, Indonesia, July 13, 2020. Students in Indonesia went back to schools located in low-risk areas under tight health protocols after the closure of education facilities for months due to COVID-19 pandemic.