Geography of Russia , the Russian border is the world's longest. Along the 20,139-kilometer land frontier, Russia has boundaries with 14 countries: Norway, Finland, Estonia, Latvia, Lithuania, Poland (via the Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, Mongolia, the People's Republic of China and North Korea. Approximately two-thirds of the frontier is bounded by seawater. Virtually all of the lengthy northern coast is well above the Arctic Circle; except for the port of Murmansk—which receives currents that are somewhat warmer than would be expected at that latitude, due to the effects of the Gulf Stream—that coast is locked in ice much of the
Arctic National Wildlife Refuge Hemisphere’s winter months, the Arctic experiences cold and darkness which makes it one of the unique places on Earth. North America's two largest alpine lakes (Peters and Schrader) are located inside the refuge. ANWR is nearly the size of South Carolina. The refuge supports a greater variety of plant and animal life than any other protected area in the Arctic Circle. A continuum of six different ecozones spans about 200 miles (300 km) north to south. Along the northern coast of the refuge, the barrier islands, coastal lagoons, salt marshes, and river deltas of the Arctic coastal tundra provide habitat