A pigeon, known as Siyah Kinifirli, with an approximate market value of 1000 Turkish Lira ($263), bred by 23-year-old Ismail Ozbek, is pictured in Sanliurfa, Turkey, December 23, 2016. As night-time approaches in Sanliurfa, southeastern Turkey, most of the alleyways of the city's old bazaar are emptying out of buyers and vendors, except for one. (Photo by Umit Bektas/Reuters)

Wellcome trust employee Zoe Middleton poses behind an artwork entitled “My Soul” by Katharine Dowson, which consists of a laser etched lead chrystal glass formation in the shape of a brain, and was created using the artists own MRI Scan, at Wellcome Collection on March 27, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)

Sushi chef Mitsuru Tamura uses a radiation detector on seafood before it is prepared in Manhattan's Sushi Yasuda restaurant April 8, 2011 in New York City. The restaurant has begun using the detector as a precautionary measure due to consumer concerns over possible radiation contamination in seafood from the nuclear emergency in Japan. Health officials believe contamination is unlikely to threaten the food supply chain and none has been found in this restaurant. (Photo by Mario Tama/Getty Images)

A camel foams at the mouth as he is whipped by a robot jockey during a race at Nad al-Sheba on December 6, 2006 in Dubai, United Arab Emirates. This is the first season that robotic jockeys have been used to race camels in Dubai. Controversially children from India were used to ride the camels in past seasons. These robot jockeys costing 15000GBP and up, were designed in Geneva and include shock absorbers and GPS tracking systems. The camel's owners control them from their speeding four wheel drives at the side of the track. (Photo by Chris Jackson/Getty Images)

“José Doroteo Arango Arámbula (5 June 1878 – 20 July 1923) – better known by his pseudonym Francisco Villa or its hypocorism Pancho Villa – was one of the most prominent Mexican Revolutionary generals”. – Wikipedia

Photo: Mexican rebel leader Francisco “Pancho” Villa with one of the motorcycles used in the Battle of Torrero. (Photo by Topical Press Agency/Getty Images). August 1914

A journalist uses their phone to take a picture at the press preview for “Vogue 100: A Century of Style” exhibiting the photographs that has been commissioned by British Vogue since it was founded in 1916 at National Portrait Gallery on February 10, 2016 in London, England. (Photo by Stuart C. Wilson/Getty Images)

A Buddhist monk uses a traditional needle to tattoo the body of a man at Wat Bang Phra in Nakhon Pathom province on the outskirts of Bangkok, Thailand, March 18, 2016. Believers from across Thailand travel to the monastery to have their bodies adorned with tattoos and to pay their respects to the temple's master tattooist. They believe the tattoos have mystical powers, ward off bad luck and protect them from harm. (Photo by Chaiwat Subprasom/Reuters)

A mother of a victim who was onboard sunken ferry Sewol, leaves a message on a desk used by her child at an empty classroom, which was preserved since the disaster, at Danwon high school during the second anniversary of the disaster in Ansan, South Korea, April 16, 2016. (Photo by Kim Hong-Ji/Reuters)