A woman shields her face from the sun as she rides her scooter in Ahmedabad, India May 20, 2016. (Photo by Amit Dave/Reuters)

A supporter of Republican U.S. presidential candidate Donald Trump dresses in a Trump costume at a rally with supporters in Albuquerque, New Mexico, U.S., May 24, 2016. (Photo by Jonathan Ernst/Reuters)

Supporters of the PHTK presidential candidate Jovenel Moise strike zombie poses during a protest march demanding the resignation of interim President Jocelerme Privert in Port-au-Prince, Haiti, Tuesday, June 7, 2016. The electoral council of Haiti has decided to re-do a presidential election that a special commission determined was marred by fraud. (Photo by Dieu Nalio Chery/AP Photo)

A wild cow jumps over revelers in the bullring after the first running of the bulls at the San Fermin festival in Pamplona, northern Spain, July 7, 2016. (Photo by Eloy Alonso/Reuters)

Church members pray at the Dolieb Hill Presbyterian Church in the Protection of Civilians (POC) site at the United Nations Mission in South Sudan (UNMISS) compound in Malakal, South Sudan on Saturday, July 9, 2016. (Photo by Jane Hahn/The Washington Post)

Robot inventor Wu Yulu sits on a rickshaw driven by a robot which he invented in his village in rural Beijing's Tongzhou district, China, 17 November 2016. The 54-year-old Chinese farmer living in rural Beijing's Tongzhou district invented 63 robots in the past 30 years. Wu, who only received primary school education, plans to give up the agricultural work for his robot products. He regularly participates in exhibitions, transfers patent rights and teaches at the university to earn money. (Photo by Wu Hong/EPA)

Kayaks, 7, poses for a picture holding toy gun in a camp where Christians displaced by Islamic State militants are living, in Irbil, Iraq, Friday, December 23, 2016. Iraq’s Christians are marking the holiday in his camp for displaced people with a sense of worry and despair, unable to return to their towns they were forced to flee two years ago by the Islamic State group’s onslaught. (Photo by Manu Brabo/AP Photo)

Habimana, 45, and her children walk to market to sell pottery on Idjwi island in the Democratic Republic of Congo, November 23, 2016. (Photo by Therese Di Campo/Reuters)