An elephant calf yawns as mahouts paint elephants ahead of celebrations for the water festival of Songkran in Ayutthaya, Thailand on April 11, 2019. The annual elephant Songkran event is held to promote the tourism industry. Songkran Festival is held also to mark the Thai traditional New Year falling annually on 13 April, and it is celebrated with people splashing water and putting powder on each other faces as a symbolic sign of cleansing and washing away the sins from the past year. (Photo by Soe Zeya Tun/Reuters)

Devotees push the chariot of Rato Machhindranath during the chariot festival at Bungamati in Lalitpur April 22, 2015. Rato Machhindranath is known as the god of rain and both Hindus and Buddhists worship Machhindranath for good rain to prevent drought during the rice harvest season. (Photo by Navesh Chitrakar/Reuters)

Visitors view ice sculptures at the 29th Harbin International Ice and Snow Festival on January 5, 2013. (Photo by Associated Press)

A woman react inside a cloud of paint powder during the holi one colour Festival held in the city of Cape Town, South Africa, Saturday, March 2, 2013. Thousands of people are taking part in the festival by throwing coloured paint powder at each other to express freedom and the colour of everyday life. (Photo by Schalk van Zuydam/AP Photo)

Alee Harrison, 13, wears the tv series “Doctor Who” on her legs as she works on a painting for Operation Blue Pride. (Photo by Greg Lovett/The Palm Beach Post)

Festival goers run toward the main stage to catch the beginning of Kendrick Lamar's set during the first weekend of Coachella 2012, on April 13, 2012. (AP Photo/Chris Pizzello)

Flying actor Welly O’Brien poses for pictures as the Southbank Centre launches Unlimited: The Revelation Festival featuring deaf and disabled artists on July 10, 2012 in London, England. (Photo by Neil Mockford)

Music fans attend Day 1 of the Coachella Valley Music & Arts Festival 2011 held at the Empire Polo Club on April 15, 2011 in Indio, California. (Photo by Frazer Harrison/Getty Images)