The Arctic, the biggest wilderness on earth. A perpetual winter wonderland. But despite the months of darkness and ice, the Arctic draws wildlife. Some of the most cold-adapted, hardy and even beautiful animals make a home of the polar world. After months of constant darkness, winter finally loosens its grip and the creatures begin to emerge. Starting with tiny polar bears… After three months in an underground den, the excitable cubs are very keen to get out and start exploring their surroundings.