A protester gestures as he holds a dog before a burning barricade during protests in Harare, Zimbabwe on January 15, 2019. (Photo by Philimon Bulawayo/Reuters)
Visitors dressed in superhero costumes attend the Paris Comics Expo at the Parc Floral in Paris, France, April 15, 2016. (Photo by Charles Platiau/Reuters)
A tanker airplane drops fire retardant on a wildfire on September 1, 2011 in Graford, Texas. More than 6,500 acres and more than 45 homes in the area have burned since Tuesday as wildfires sweep through parts of Texas and Oklahoma. (Photo by Tom Pennington/Getty Images)