A vendor waits for customers at a livestock market on the eve of Eid al-Adha festival in Islamabad, capital of Pakistan, on Aug. 11, 2019. (Xinhua/Ahmad Kamal)

People visit a livestock market on the eve of Eid al-Adha festival in Islamabad, capital of Pakistan, on Aug. 11, 2019. (Xinhua/Ahmad Kamal)

People visit a livestock market on the eve of Eid al-Adha festival in Islamabad, capital of Pakistan, on Aug. 11, 2019. (Xinhua/Ahmad Kamal)

Vendors wait for customers at a livestock market on the eve of Eid al-Adha festival in Islamabad, capital of Pakistan, on Aug. 11, 2019. (Xinhua/Ahmad Kamal)

People visit a livestock market on the eve of Eid al-Adha festival in Islamabad, capital of Pakistan, on Aug. 11, 2019. (Xinhua/Ahmad Kamal)

People visit a livestock market on the eve of Eid al-Adha festival in Islamabad, capital of Pakistan, on Aug. 11, 2019. (Xinhua/Ahmad Kamal)

Passengers are seen on an overcrowded bus ahead of the Eid al-Adha festival in Lahore, Pakistan, on Aug. 11, 2019. (Photo by Jamil Ahmed/Xinhua)

Passengers are seen on an overcrowded bus ahead of the Eid al-Adha festival in Lahore, Pakistan, on Aug. 11, 2019. (Photo by Jamil Ahmed/Xinhua)

Passengers are seen on an overcrowded bus ahead of the Eid al-Adha festival in Lahore, Pakistan, on Aug. 11, 2019. (Photo by Jamil Ahmed/Xinhua)

Passengers are seen on an overcrowded bus ahead of the Eid al-Adha festival in Lahore, Pakistan, on Aug. 11, 2019. (Photo by Jamil Ahmed/Xinhua)