A fighter of Libyan forces allied with the U.N.-backed government runs for cover during a battle with Islamic State fighters in Sirte, Libya, July 31, 2016. (Photo by Goran Tomasevic/Reuters)

A Mongolian wrestler adjusts her hair before a match during the 2016 World Sumo Championship on July 30, 2016 in Ulaanbaatar, Mongolia. (Photo by Taylor Weidman/Getty Images)

A woman attempts to cover a tear gas canister fired by police at a crowd in Srinagar protesting against the recent killings in Kashmir, August 17, 2016. (Photo by Cathal McNaughton/Reuters)

Ariel Winter attends the 4th Annual Just Jared Summer Bash on August 13, 2016 in Los Angeles, California. (Photo by JB Lacroix/Getty Images)

Mexican wrestler known as Mini Psycho walks inside the Basilica of Our Lady Guadalupe during the annual pilgrimage in Mexico City, Mexico August 25, 2016. (Photo by Carlos Jasso/Reuters)

Masquerade performers participate in the annual Badagry cultural festival near the old slave port in Badagry, on the outskirts of Lagos, Nigeria August 27, 2016. (Photo by Akintunde Akinleye/Reuters)

Riot police fire tear gas during a protest by supporters of Dilma Rousseff in Sao Paulo, Brazil August 31, 2016. (Photo by Paulo Whitaker/Reuters)

A machine assembles powder, cartridges and bullets tips together to make 300 AAC Blackouts at Barnes Bullets in Mona, Utah, January 6, 2015. (Photo by George Frey/Reuters)