A mahout looks after his elephant during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats. (Photos: Xinhua)

Elephants enjoy corns during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats.

People feed elephants during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats.

People feed an elephant during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats.

People feed elephants during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats.

People feed an elephant fruits during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats.

People feed elephants during the National Elephant Day celebration in Ayutthaya, Thailand, March 13, 2019. Various activities are held during the celebration to raise public awareness of the conservation of elephants and their habitats.