This image provided by NASA shows parts of Europe and Africa very easily recognizable in this night time image shot by one of the Expedition 25 crew members aboard the International Space Station flying 220 miles above Earth on Thursday October 28, 2010. The view “looks” northward over Sicily and the “boot” of Italy, with the Mediterranean Sea representing most of the visible water in the view and the Adriatic Sea to the right of center. Tunisia is partially visible at left. Part of a docked Russian spacecraft and other components of the ISS are in the foreground. (Photo by AP Photo/NASA)

Lightning from a tornadic thunderstorm passing over Clearwater, Kansas strikes at an open field May 19, 2013. A massive storm front swept north through the central United States on Sunday, hammering the region with fist-sized hail, blinding rain and tornadoes, including a half-mile wide twister that struck near Oklahoma City. News reports said at least one person had died. (Photo by Gene Blevins/Reuters)

in Qayyarah, about 31 miles (50 km) south of Mosul, Iraq, Sunday, October 23, 2016.in Qayyarah, some 50 kilometers south of Mosul, Iraq, Sunday, Oct. 23, 2016. Islamic State fighters torched a sulfur plant south of Mosul, sending a cloud of toxic fumes into the air that mingled with oil wells the militants had lit on fire to create a smoke screen. (Photo by Marko Drobnjakovic/AP Photo)

In this Sunday, May 29, 2016 photo, fighters take a selfie while firing artillery during fight against Islamic State militants in Fallujah, Iraq. Iraqi forces this week pushed into the city's southern sections after securing surrounding towns and villages more than 50,000 people are believed to be trapped inside the Sunni majority city, about 65 kilometers (40 miles) west of Baghdad. (Photo by Anmar Khalil/AP Photo)

In this photo taken on Sunday, March 15, 2015, a Nenets woman rides steers a sled during a reindeer race at the Reindeer Herder's Day in the city of Nadym, in Yamal-Nenets Region, 2500 kilometers (about 1553 miles) northeast of Moscow, Russia. For the indigenous nomadic Nenets people, the Reindeer Herder's Day offers a chance to show their prowess in wrestling, high jumps and other traditional local sports, but, above all, reindeer races. (Photo by Dmitry Lovetsky/AP Photo)

People remove mud and rocks from their house after a massive landslide in Chosica, March 24, 2015. Seven people were killed and more were feared dead in Peru after a massive landslide buried parts of a town amid heavy rains, authorities said on Tuesday. Six were missing and 25 injured in the disaster in Chosica, some 30 kilometers (18.6 miles) east of Lima, said Alfredo Murgueytio, the head of the National Civil Defense Institute, Indeci. (Photo by Mariana Bazo/Reuters)

Construction workers carry bricks on their heads near the country's parliament building in Naypyitaw November 11, 2014. Yangon lost its status as Myanmar's capital in 2005, after the former military junta carved a new seat of government from a parched wilderness some 380 km (236 miles) to the north and called it Naypyitaw (“Abode of Kings”). (Photo by Damir Sagolj/Reuters)