Children wait to get water from a local water pump in Al-Thiraa village in Haradh district of Hajjah province, Yemen, on Jan. 29, 2020. (Photo by Mohammed Alwafi/Xinhua)

Children wait to get water from a local water pump in Al-Thiraa village in Haradh district of Hajjah province, Yemen, on Jan. 29, 2020. (Photo by Mohammed Alwafi/Xinhua)

A child holds an empty bottle and waits to get water from a local water pump in Al-Thiraa village in Haradh district of Hajjah province, Yemen, on Jan. 29, 2020. (Photo by Mohammed Alwafi/Xinhua)

A child returns home after filling bottles with water from a local water pump in Al-Thiraa village in Haradh district of Hajjah province, Yemen, on Jan. 29, 2020. (Photo by Mohammed Alwafi/Xinhua)