North Korean defectors, now living in South Korea, prepare to release balloons carrying propaganda leaflets denouncing North Korea's late leader Kim Jong-Il at Imjingak, near the Demilitarized zone (DMZ) separating South and North Korea on December 28, 2011 in Paju, South Korea. (Photo by Chung Sung-Jun/Getty Images)

Jan Kara (R) and Jan Holan pedal their boat, made with plastic bottles, on the Elbe river near Kostelec nad Labem July 15, 2014. Jan Kara, a 22-year-old student, and Jakub Bures, a 22-year-old car mechanic, built the 10-metre (32.8-feet) long boat from 5000 plastic bottles strapped to a wooden frame. (Photo by David W. Cerny/Reuters)

A forest near Chatillion, a small village in Belgium, used to be home to a vintage car graveyard. This “car graveyard” has since been cleaned up, but photographer Theo van Vliet had the chance to explore the forest and photograph the cars beforehand. (Photo by Theo van Vliet)

One of three Sperm Whales, which were found washed ashore near Skegness over the weekend, lays on a beach on January 25, 2016 in Skegness, England. The whales are thought to have been from the same pod as another animal that was found on Hunstanton beach in Norfolk on Friday. (Photo by Dan Kitwood/Getty Images)

People enjoy a bath in hot kvass, a traditional fermented beverage made from rye bread, during the sauna marathon near Otepaa, Estonia, February 6, 2016. Participants have to track down and visit the given saunas in the Otepaa area as fast as possible. (Photo by Ints Kalnins/Reuters)

Refugees and migrants try to find a place on an already full train headed for Serbia, near the city of Gevgelija, The Former Yugoslav Republic of Macedonia, on February 24, 2016. Refugees and migrants from Iraq and Syria continue to pass through Macedonia on their way to the European Union. (Photo by Georgi Licovski/EPA)

A musher handler with Alan Eischens team embraces one of Eischen's dogs just before the ceremonial start of the Iditarod Trail Sled Dog Race that begins a near 1,000-mile (1,600-km) journey through Alaska’s frigid wilderness in downtown Anchorage, Alaska March 5, 2016. (Photo by Nathaniel Wilder/Reuters)

Kenya Wildlife Service and Save The Elephants staff push an elephant as they undertake the collaring of ten elephants ranging near the Standard Gauge Railway to fit them with advanced satellite radio tracking collars in Tsavo National Park, Kenya March 15, 2016. (Photo by Goran Tomasevic/Reuters)