A seller is seen among his sheep at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

A child pulls an ox at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

A seller fills a container with water for animals at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

People carry sheep they bought at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

A seller pulls an ox for a customer at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

A seller counts money at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

Sellers are seen with animals at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)

Sellers display goats for sale at a livestock market ahead of Eid al-Adha festival in Sanaa, Yemen, Aug. 7, 2019. Eid al-Adha festival is one of the most important festivals for Muslims, which will begin on Aug. 11 this year in Yemen. (Photo by Mohammed Mohammed/Xinhua)