A model presents a creation for the Amir Slama collection during Sao Paulo Fashion Week in Sao Paulo, Brazil, October 26, 2016. (Photo by Nacho Doce/Reuters)

A mahout leads an elephant calf to the river Tunga for bathing at the Sakrebailu Elephant Camp in Sakrebailu in the southern state of Karnataka, India, November 12, 2016. (Photo by Abhishek N. Chinnappa/Reuters)

Rita Ora performs an intimate gig at the newly relaunched Tezenis store at Oxford Circus crossing to celebrate her recent lingerie collaboration with Tezenis on December 13, 2016 in London, England (Photo by David M. Benett/Dave Benett/Getty Images for Tezenis)

A swimmer disguised as Superman dives into the lake during the 78th “Coupe de Noel” (Christmas cup) swimming race in the Lake Geneva, on December 18, 2016 in Geneva. More than 1800 participants took part in the event, a 12-meter-long swimming off the Geneva's bank in the 7 degrees Celsius cold water. (Photo by Fabrice Coffrini/AFP Photo)

Snakes hang from a wooden cabinet marked with the Chinese characters “poisonous snake”, at a snake soup shop ahead of the Spring Festival in Hong Kong January 29, 2013. (Photo by Bobby Yip/Reuters)

Members of Hashid Shaabi or Popular Mobilization Forces (PMF) fire towards Islamic State militant positions in west of Mosul, Iraq, December 28, 2016. (Photo by Reuters/Stringer)

A sacrificial bull decorated for sale stands at its feed trough at the animal market on the outskirts of Islamabad, Pakistan, September 22, 2015. Muslims across the world are preparing to celebrate the annual festival of Eid al-Adha or the Feast of the Sacrifice, which marks the end of the annual haj pilgrimage, by slaughtering goats, sheep, cows and camels in commemoration of the Prophet Abraham's readiness to sacrifice his son to show obedience to Allah. (Photo by Faisal Mahmood/Reuters)

Two railway workers chat in front of a flower mural inside a subway station visited by foreign reporters during a government organised tour in Pyongyang, North Korea October 9, 2015. (Photo by Damir Sagolj/Reuters)