Sentinel Colorado

The world's largest island sits between the Atlantic and Arctic oceans. A 1.7-million-square-kilometer (660,000-square-mile) ice sheet covers 80 percent of the Arctic territory. Greenland's 56,000 residents are mainly Inuits, the indigenous people. They are concentrated on the west coast in small towns and hamlets or remote coastal settlements where life revolves around fishing and the hunting of seals and whales.