Children attend a class at a "park school" ahead of International Day of Education in Islamabad, capital of Pakistan, Jan. 23, 2021. (Xinhua/Ahmad Kamal)

Children wearing face masks attend a class at a "park school" in Islamabad, capital of Pakistan ahead of the International Day of Education.

The United Nations designated Jan. 24 as the International Day of Education, in celebration of the role of education for peace and development. This year's theme is "Recover and Revitalize Education for the COVID-19 Generation."

Children attend a class at a "park school" ahead of International Day of Education in Islamabad, capital of Pakistan, Jan. 23, 2021. (Xinhua/Ahmad Kamal)

 

Children attend a class at a "park school" ahead of International Day of Education in Islamabad, capital of Pakistan, Jan. 23, 2021. (Xinhua/Ahmad Kamal)

 

Children attend a class at a "park school" ahead of International Day of Education in Islamabad, capital of Pakistan, Jan. 23, 2021. (Xinhua/Ahmad Kamal)