A fireball erupts from a 16-inch gun on the battleship USS Wisconsin during a live fire exercise in the Persian Gulf, October 13, 1990. The ship is in the Gulf as part of Operation Desert Shield. (Photo by John Gaps III/AP Photo)

Young stag deer clash antlers during the annual rut in Richmond Park in west London, Britain, October 16, 2015. The Royal Park has had Red and Fallow deer present since 1529, and early autumn sees the rutting or breeding season begin amongst the herd of over six hundred animals. (Photo by Toby Melville/Reuters)

Vladimir Putin looks at a model of the Tupolev TU-160 bomber, or Blackjack, that was presented to him on his arrival in Olenegorsk, Russia, August 16, 2005. Putin flew in the Tupolev TU-160 bomber and took part in the launch of cruise missiles in the Arctic north. (Photo by Reuters/ITAR-TASS/Presidential Press Service)

Men work at a makeshift oil refinery site in Marchmarin town, southern countryside of Idlib, Syria December 16, 2015. The refinery site, owned by Yousef Ayoub, 34, has been active for 4 months. Ayoub says that he gets the crude oil from Islamic State-controlled areas in Deir al-Zor province and Iraq. The price for a barrel of crude oil varies and is controlled by the Islamic State, but it is currently at $44 dollars per barrel, he said. (Photo by Khalil Ashawi/Reuters)

Rescue workers stand next to TK Bremen cargo ship which ran aground during a powerful storm, spilling oil off the coast of France's northwestern region of Brittany as it lies stranded on Kerminihy beach in Erdeven, on December 16, 2011. (Photo by Damien Meyer/AFP Photo)

A firefighter recovers after climbing the 1800 steps of the Costanera Centre Tower as part of the “Race for Life” aimed at encouraging organ donation in Chile, in Santiago, on October 16, 2016. More than 500 volunteer firefighters are expected to climb the 1800 steps of the tallest building in South America to promote and encourage organ donation in the country. (Photo by Claudio Reyes/AFP Photo)

A Haitian woman lies in a trance during a voodoo ceremony in Souvenance, a suburb of Gonaives, 171 km north of Port- au- Prince, on April 16, 2017. Haitian voodoo followers arrived in Souvenance to take part in the voodoo ceremonies held during Easter weekend. (Photo by Hector Retamal/AFP Photo)

Muhannad al-Kadiri (R),18, and Ibrahim Eid, 16, demonstrate their Parkour skills over a military vehicle in the rebel-held city of Inkhil, west of Deraa, Syria, February 4, 2017. (Photo by Alaa Al-Faqir/Reuters)