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
The Voyage of the Arctic Tern of the Arctic Tern" combines real-life phenomena, places, and people with fictional characters or elements. While the specific location of the main character Bruno's ancient village is not explicitly mentioned, the description of its extremely cold winters, Northern Lights seen in the sky, and bright spring flowers growing on hard ground, matches the description of the climate and environment in the coastal areas of Scandinavia near the Arctic Circle. In addition, Bruno's ship (the "Arctic Tern") is named after a bird commonly seen in that area. The story also mentions that the ship's name is carved upon "a plaque of