Autumn on the tundra is mating season for the mighty musk oxen - shaggy giants colliding at speeds of up to 40 kilometres per hour as females wait for the victor. Elk, capercaillie and dear also battle for opportunities to breed.

座落在斯堪的纳维亚半岛极北之地是广大荒野，也是极地冻原。此地几乎整年都处于冰封的低温状态。少有动植物能在这片无情大地生长，但出人意料的是仍有不少生物战胜种种恶劣环境，在此茁壮繁衍。