Villagers celebrate the Eid al-Adha festival at Shirah village in Ibb Province, Yemen, on Aug. 24, 2018. (Xinhua/Mohammed Mohammed)

People wearing masks of monsters celebrate the Eid al-Adha festival at Shirah village in Ibb Province, Yemen, on Aug. 24, 2018. (Xinhua/Mohammed Mohammed)

People wearing masks of monsters celebrate the Eid al-Adha festival at Shirah village in Ibb Province, Yemen, on Aug. 24, 2018. (Xinhua/Mohammed Mohammed)