“Shortly after he arrived, Van Agtmael witnessed the aftermath of this suicide bombing at a cafe that soldiers frequented in Mosul. Nine people died and 23 were wounded”. (Photo and caption by Van Agtmael/Harrison Jacobs/Magnum Photos)

People wear costumes as they participate in the ancient Yule Log dragging tradition during winter solstice celebrations in Riga, Latvia, December 21, 2015. (Photo by Ints Kalnins/Reuters)

People inspect hookahs shaped like rifles on display for sale in a souk at the port city of Sidon, southern Lebanon, December 23, 2015. (Photo by Ali Hashisho/Reuters)

In this photo illustration a package of Nicotine Gum, which is advertised as helping people stop smoking cigarettes, is seen on January 10, 2012 in Miami, Florida. A study published in the journal Tobacco Control on Monday, reported that the nicotine alternatives, like Nicotine Gum, have no lasting effect on people trying to quit their smoking habit. (Photo illustration by Joe Raedle/Getty Images)

The cruise ship Costa Concordia lies stricken off the shore of the island of Giglio, on January 14, 2012 in Giglio Porto, Italy. More than four thousand people were on board when the ship hit a sandbank. At least 3 people have been confirmed dead and another 50 are unaccounted for. (Photo by Laura Lezza/Getty Images)

The cruise ship Costa Concordia lies stricken off the shore of the island of Giglio, on January 17, 2012 in Giglio Porto, Italy. More than four thousand people were on board when the ship hit a rock off the Tuscan coast. At least 11 people have been confirmed dead and another 24 missing. (Photo by Laura Lezza/Getty Images)

People fly kites during the 2017 Pyostroye Nebo kite festival in Tsaritsyno Park in Moscow, Russia on August 27, 2017. (Photo by Asya Dobrovolskaya/TASS)

A participant dances as approximately 70,000 people from all over the world gathered for the annual Burning Man arts and music festival in the Black Rock Desert of Nevada, U.S. on August 29, 2017. (Photo by Jim Urquhart/Reuters)