Mahouts and their elephants display a poster during a campaign ahead of the August 7 referendum in Auytthaya province, north of Bangkok, Thailand, August 1, 2016. Officials across the country are drumming up campaigns to encourage voting on the draft constitution in a referendum on Sunday. (Photo by Chaiwat Subprasom/Reuters)

A man eats a meal under his tree house, which acts as a shelter from wild elephants, in Gwe Cho village, Shwe Taung Yan township Ayeyarwady division January 18, 2016. Wild elephants are driving villagers in a Myanmar township to seek refuge while the animals storm their rice paddies, in Ayeyarwady in the Delta region, West of Yangon. (Photo by Soe Zeya Tun/Reuters)

Sheep are waiting in Via Manzoni before the final filming of the Last Shepherd on October 1, 2011 in Milan, Italy. Directed by Marco Bonfanti, L'Ultimo Pastore (The Last Shepherd) tells the story of the life of Renato Zucchelli, the last nomadic shepherd in Milan. (Photo by Pier Marco Tacca/Getty Images)

In this photo provided by the RSPCA/Australian Capital Territory, an overgrown sheep found in Australian scrubland is prepared to be shorn in Canberra, Australia, Thursday, September 3, 2015. The wild, castrated merino ram named Chris, yielded 40 kilograms (89 pounds) of wool – the equivalent of 30 sweaters – and sheded almost half his body weight. (Photo by RSPCA ACTvia AP Photo)

Shepherd Ben Blackmore stands with his flock of Exmoor Horn sheep in Savile Row, London, Britain October 5, 2015. The Campaign for Wool marked the beginning of Britain's national Wool Week on Monday, on one of London's most renowned streets. (Photo by Peter Nicholls/Reuters)

A sheep, painted in the colours of World Cup participating country England looks on on September 11, 2011 in Dunedin, New Zealand. (Photo by David Rogers/Getty Images)

Shepherds walk with sheep through the village on their way home during autumn redyk in Gron, Tatra Mountains region of southern Poland, October 6, 2015. Redyk is a traditional, kilometres-long march of highlanders with flocks of sheep, which takes place twice a year: in the spring at the start of the grazing season, and in the autumn at season's end. (Photo by Kacper Pempel/Reuters)

An elephant mahout (trainer) lies on his elephant his feet resting on its ears as it rests and eats prior to opening day's play at the King's Cup Elephant Polo Tournament 2014 held near Bangkok, in Samut Prakan province, Thailand, 28 August 2014. The annual charity tournament runs until 31 August and involves 51 elephants who normally live on the streets and are used for begging. Sixteen competing elephant polo teams from 40 different nations take part in the charity event directed at raising funds to improve the lives of the elephants and elephant conservation in general. (Photo by Barbara Walton/EPA)