A girl works at a brick factory on the outskirts of Peshawar, Pakistan, on June 12, 2019. The World Day Against Child Labor is observed every year on June 12. (Photos: Xinhua)

A girl works at a brick factory on the outskirts of Peshawar, Pakistan, on June 12, 2019. The World Day Against Child Labor is observed every year on June 12.

A girl works at a brick factory on the outskirts of Peshawar, Pakistan, on June 12, 2019. The World Day Against Child Labor is observed every year on June 12.

A girl works at a brick factory on the outskirts of Peshawar, Pakistan, on June 12, 2019. The World Day Against Child Labor is observed every year on June 12.