An anti-government protester wearing a Guy Fawkes mask stands with a shield near flames from molotov cocktails thrown at a water cannon by anti-government protesters during riots in Caracas in this April 20, 2014 file photo. (Photo by Jorge Silva/Reuters)





A worker processes nickel at a nickel smelter of PT Vale Tbk, near Sorowako, Indonesia's Sulawesi island, in this January 8, 2014 file photo. (Photo by Yusuf Ahmad/Reuters)





The Soyuz TMA-20M spacecraft carrying the crew of Jeff Williams of the U.S., Alexey Ovchinin and Oleg Skripochka of Russia blasts off to the International Space Station (ISS) from the launchpad at the Baikonur cosmodrome, Kazakhstan, March 19, 2016. (Photo by Shamil Zhumatov/Reuters)





A firefighter reacts while holding a fire hose to put out a fire as it razes the College of Arts and Sciences building of the University of the East in Manila April 2, 2016. (Photo by Romeo Ranoco/Reuters)





FBI Bomb Technician Special Agent John Antman detonates an improvised explosive at an explosives training and demonstration held by agents with the Newark New Jersey FBI Field office designed to educate bomb technicians, first responders, and the chemical industry on the potential uses of common industrial and household chemicals in the manufacturing of improvised explosives, at a Police training facility in Edison New Jersey, April 5, 2016. (Photo by Mike Segar/Reuters)





Firefighters battling the King Fire watch as a backfire burns along Highway 50 in Fresh Pond, California in this September 16, 2014 file photo. (Photo by Noah Berger/Reuters)





A worker of the Chareidim Shmurah Matzoh Bakery prepares matzoh bread for Jewish holidays at the Brooklyn borough of New York April 12, 2016. (Photo by Eduardo Munoz/Reuters)





A worker monitors a process at the copper smelter of Codelco Ventanas in Ventanas city, Chile. January 7, 2015. (Photo by Rodrigo Garrido/Reuters)





A man works in the automobile production line of the new Honda plant in Prachinburi, Thailand May 12, 2016. (Photo by Jorge Silva/Reuters)





An Afghan migrant and a child warm up by a fire at the northern Greek border station of Idomeni, Sunday, March 13, 2016. (Photo by Vadim Ghirda/AP Photo)





Stunned crowds gather in south Cocoa Beach as they watch a landmark, the Pumpkin Center, that was once owned by Al Neuharth, founder of USA Today, burn to the ground late Tuesday night, March 15, 2016 in Cocoa Beach, Fla. (Photo by USA Today/Florida Today via AP Photo)





Las Vegas firefighters watch the controlled burn of the Life Cube, Saturday, April 2, 2016, in Las Vegas. Artist Scott Cohen created the project, a build-and-burn art installation, over the course of several weeks before burning it down. (Photo by John Locher/AP Photo)





A young Afghan migrant films with his phone a fire burning shacks and a placard reading “living space”, in the southern part of the so-called “Jungle” migrant camp, as half of the camp is being dismantled, in the French northern port city of Calais, on March 1, 2016. (Photo by Philippe Huguen/AFP Photo)





People stand near a burning tent in a makeshift camp near Calais, France, Thursday March 3, 2016. (Photo by Michel Spingler/AP Photo)





In this September 9, 2010, file photo, a massive fire roars through a neighborhood in San Bruno, Calif. U.S. officials are moving to strengthen natural gas pipeline safety rules following decades of fiery accidents including the 2010 California explosion that killed 8 people and injured more than 50. (Photo by Paul Sakuma/AP Photo)





An Indian man dressed as Hindu Goddess Kali puts fire in his mouth during a procession to celebrate the Ram Navami festival in Allahabad, India, Friday, April 15, 2016. (Photo by Rajesh Kumar Singh/AP Photo)