The sporting options in Finland are everywhere. Here, two people take advantage of the ice on Lake Hiidenvesi to get some exercise. Sami Uskela/Flickr hide caption

itoggle caption Sami Uskela/Flickr

Helicopter belonging to the Netherlands participates in NATO's Dynamic Mongoose anti-submarine exercise in the North Sea, off the coast of Norway, on May 4, 2015. MARIT HOMMEDAL/AFP/Getty Images hide caption

itoggle caption MARIT HOMMEDAL/AFP/Getty Images

Scientists who work for nuclear waste disposal projects in Finland, Canada and Sweden study an ice sheet in western Greenland. Courtesy of Vincent F. Ialenti hide caption

itoggle caption Courtesy of Vincent F. Ialenti

Laborers stand on a new ship at a Rongsheng Heavy Industries shipyard in Nantong, China, in 2012. The troubles at Rongsheng, China's largest private shipbuilder, mirror what's happening in the global industry. Aly Song/Reuters/Landov hide caption

itoggle caption Aly Song/Reuters/Landov