TV-PG
S1 • E3 Sep 3, 2012 44m8.7
Covering a fifth of the earth's surface, the Arctic tundra is one of the coldest places on the planet. The piercing temperatures and powerful winds challenge even the hardiest of creatures. Life here must adapt or perish. The remarkable diversity of life in the Tundra includes the snowy owl, Arctic foxes, millions of migrating birds and the lemming.
