Photo taken on Aug. 12, 2019 shows Asian elephants at the Yangon Zoological Garden in Yangon, Myanmar. The World Elephant Day is marked on Aug. 12 every year, to bring attention to the urgent plight of Asian and African elephants. (Photos: Xinhua/U Aung)

Photo taken on Aug. 12, 2019 shows an Asian elephant at the Yangon Zoological Garden in Yangon, Myanmar. The World Elephant Day is marked on Aug. 12 every year, to bring attention to the urgent plight of Asian and African elephants.

Tourists view an Asian elephant at the Yangon Zoological Garden in Yangon, Myanmar, Aug. 12, 2019, the World Elephant Day. The World Elephant Day is marked on Aug. 12 every year, to bring attention to the urgent plight of Asian and African elephants.

A girl feeds an Asian elephant at the Yangon Zoological Garden in Yangon, Myanmar, Aug. 12, 2019, the World Elephant Day. The World Elephant Day is marked on Aug. 12 every year, to bring attention to the urgent plight of Asian and African elephants.

Tourists view Asian elephants at the Yangon Zoological Garden in Yangon, Myanmar, Aug. 12, 2019, the World Elephant Day. The World Elephant Day is marked on Aug. 12 every year, to bring attention to the urgent plight of Asian and African elephants.

Photo taken on Aug. 12, 2019 shows Asian elephants at the Yangon Zoological Garden in Yangon, Myanmar. The World Elephant Day is marked on Aug. 12 every year, to bring attention to the urgent plight of Asian and African elephants.