Tundra

The tundra is a treeless polar desert found in the high latitudes in the polar regions, primarily in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, as well as sub-Antarctic islands. The region's long, dry winters feature months of total darkness and extremely frigid temperatures.

http://wwf.panda.org/about_our_earth/ecoregions/about/habitat_types/selecting_terrestrial_ecoregions/habitat11.cfm

http://www.blueplanetbiomes.org/siberian_tundra.htm

http://www.britannica.com/EBchecked/media/120363/Tundra-and-lakes-during-summer-in-Yamal-Peninsula-Siberia-Russia