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 Russia would "not give up a single inch" in the Arctic. Russia has conducted research in the Arctic for decades. The country is the only one that uses drift stations- research facilities seasonally deployed on drift ice- and also has other research stations in its Arctic zone. The first drift station, North Pole-1, was established on May 21, 1937 by the Soviet Union. Russian research has focused on the Arctic seabed, marine life, meteorology, exploration, and natural resources, among other topics. Recent research has also been focusing on studying the Lomonosov Ridge to collect evidence that could strengthen Russian territorial