Shepherds from the north wear their traditional heavy woollen mantles as they stand ready to shear sheep with sycthe-like shears. (Photo by Three Lions/Getty Images). Circa 1952

Two cocks are trained for a fight in a village in Nakhon Sawan province, Thailand January 10, 2017. (Photo by Chaiwat Subprasom/Reuters)

Musician Kirk Hammett of Metallica performs onstage during The Big 4 held at the Empire Polo Club on April 23, 2011 in Indio, California.

A young lady blows a balloon during a federal conference of the German Pirate Party (Piratenpartei) on December 3, 2011 in Offenbach, Germany. (Photo by Ralph Orlowski/Getty Images)

Members of the Koatlacker devil's association (Koatlacker Tuifl) dressed as demonic creatures take part in a Krampus procession on December 4, 2011 in Prad near Merano, Italy. (Photo by Johannes Simon/Getty Images)

Jonathon Seed, Joint Master and Huntsman with the Avon Vale Hunt, leads the hounds and fellow riders for their traditional Boxing Day hunt, on December 26, 2011 in Lacock, England. (Photo by Matt Cardy/Getty Images)

A baby elephant eats in a swamp in Amboseli national park, Kenya, March 19, 2017. (Photo by Goran Tomasevic/Reuters)

A prisoner from the Pedrinhas prison is carried to receive medical help after he was injured during a fight between rival gangs inside the jail, in Sao Luiz, capital of Maranhao state, January 8, 2014. The recent posting on a major Brazilian news website of a video filmed last December 17 by Pedrinhas prisoners of the decapitated and tortured bodies of rival inmates inside the jail has highlighted some of the problems present in the country's prison system which houses nearly twice as many prisoners as its capacity, according to official statistics. (Photo by Douglas Cunha/Reuters/O Estado do Maranhão)