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
Great Arctic State Nature Reserve Reserve without human disturbance. Among the animals that are protected by this reserve, some of the most important are the polar bear, the Arctic fox, the snowy owl, the reindeer and the beluga. Great Arctic State Nature Reserve The Great Arctic State Nature Reserve () is a nature reserve in Krasnoyarsk Krai, Russia. With an area of , it is the largest reserve of Russia and Eurasia, as well as one of the largest in the world. The Great Arctic State Nature Reserve was founded on May 11, 1993 by Resolution No.431 of the Government of the Russian Federation. The