Tundra is one of the most inhospitable terrains for humans. A hostile place infested with mosquitoes in summer, surrounded by thousands of lakes and ponds, and with an extremely cold continental climate. Furthermore, the soil is made up of permafrost, preventing any type of agricultural activity. Only animals like polar bears, adapted to this type of environment, can survive here until the arrival of the bay ice and thus begins the hunt for seals, their preferred food.

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The boreal forest, characterized by its coniferous forest formations composed mainly of pines, firs, and larches, is one of the largest forest masses on the planet. Habitat for wild animals such as gray wolf, black bear, elk, etc. It is a leafy area and very difficult to access.