Arctic Circle level, although in mountainous regions there is often no direct view of the true horizon. Only four million people live north of the Arctic Circle due to the severe climate; nonetheless, some areas have been settled for thousands of years by indigenous peoples, who today make up 10% of the region's population. Tens of thousands of years ago, waves of people migrated from eastern Siberia across the Bering Strait into North America to settle. The largest communities north of the Arctic Circle are situated in Russia, Norway and Sweden: Murmansk (population 307,257), Norilsk (175,365), Tromsø (71,295), Vorkuta (59,231) and Kiruna
Arctic policy of Russia joint development of ice-resistant drilling platforms and other Arctic technologies. This deal followed a failed attempt at a similar cooperation between Rosneft and BP in May. Chevron is currently in talks with Rosneft about jointly developing Arctic resources. Russia is the only country in the world planning to use floating nuclear power plants. The "Akademik Lomonosov", expected to go into operation in 2012, will be one of eight plants that will provide power to Russian coastal cities. There are plans for these plants to also provide power to large gas rigs in the Arctic Ocean in the future. The Prirazlomnoye