An Iraqi Muslim woman walks past Christmas decorations for sale in the Shiite holy city of Najaf on December 17, 2015. (Photo by Haidar Hamdani/AFP Photo)

A young Chinese girl dressed in Christmas costume, hugs a pedestrian on a street to celebrate Christmas in Nanjing city, east China's Jiangsu province, 23 December 2015. (Photo by Imaginechina/Splash News)

A boy holds the remains of a mortar shell which hit a residential building in the village of Staromikhailovka, outside the separatist-held city of Donetsk, Ukraine, May 24, 2016. (Photo by Alexander Ermochenko/Reuters)

A zoo employee feeds a 3-week-old Eurasian eagle owl at the Royev Ruchey zoo on the suburbs of the Siberian city of Krasnoyarsk, Russia June 7, 2016. (Photo by Ilya Naymushin/Reuters)

A sign that reads “No more massacres LGBT” is seen to remember the victims of the Pulse nightclub mass shooting in Orlando, near the U.S. Embassy in Mexico City, Mexico, June 14, 2016. (Photo by Edgard Garrido/Reuters)

Melania Trump during Melania Trump Unveils The 2007 Cadillac Escalade to The Fashion World at Milk Studios in New York City, New York, United States. (Photo by Jamie McCarthy/WireImage)

Rihanna performs onstage during the 2016 MTV Video Music Awards at Madison Square Garden on August 28, 2016 in New York City. (Photo by Noam Galai/FilmMagic)

Boy rests on bags of recyclable waste at a rubbish dump outside Yemen's Red Sea port city of Houdieda January 19, 2016. (Photo by Abduljabbar Zeyad/Reuters)