Two stags fight in a wildlife park in Aurach near Kitzbuehel, in the Austrian province of Tyrol. (Photo by Kerstin Joensson/Associated Press)

A competitor gestures as he crawls beneath barbed wire during the Tough Guy event in Perton, central England February 1, 2015. The annual event to raise cash for charity challenges thousands of international competitors in a cross country run followed by an assault course consisting of obstacles including water, fire and tunnels. (Photo by Phil Noble/Reuters)

French army deminers secure a helicopter in a hangar at the Gao airport, on February 9, 2013. Two Malian soldiers and four civilians have already been killed by landmines, and French troops are still fighting off what Paris called “residual jihadists” in reclaimed territory. (Photo by Pascal Guyot/AFP Photo via The Atlantic)

Rutgers Scarlet Knights cheerleaders perform during a game against the Connecticut Huskies at High Point Solutions Stadium on October 6, 2012 in Piscataway, New Jersey. Rutgers defeated Connecticut 19-3. (Photo by Rich Schultz)

A couple kisses during a LGBT Pride parade in Oviedo, northern Spain, June 28, 2016. (Photo by Eloy Alonso/Reuters)

A reveller is seen smoking at the annual gay pride parade in Santo Domingo in the Dominican Republic July 03, 2016. (Photo by Ricardo Rojas/Reuters)

Models dressed as bandaged nurses take part in a promotional event for the film “Silent Hill” on June 22, 2006 in Tokyo, Japan. (Photo by Junko Kimura/Getty Images)