Sergey Gorshkov / Steam emitted from geysers, Geyser River, Valley of Geysers, Kamchatka, Russia

Sergey Gorshkov / Steam emitted from geysers, Geyser River, Valley of Geysers, Kamchatka, Russia

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) walking along river bank in the snow, Russia

Michio Hoshino / Pacific Walrus (Odobenus rosmarus divergens) colony, Siberia, Russia

Sergey Gorshkov / Waterfall, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall in winter, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / River and mountains, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall and taiga plateau, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall in plateau, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfalls, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / River in winter, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Frozen waterfall, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Cracks in ice in frozen lake, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Ramshackle hut with nailed boards to ward off Polar Bears, Wrangel Island, Russia

Sergey Gorshkov / Muskox (Ovibos moschatus) juveniles, Wrangel Island, Russia

Sergey Gorshkov / Snowy Owl (Nyctea scandiaca) fledgling taking flight, Wrangel Island, Russia

Sergey Gorshkov / Tolbachik Volcano, Kamchatka, Russia

Sergey Gorshkov / Lava flow, Tolbachik Volcano, Kamchatka, Russia

Sergey Gorshkov / Steam emitted from geysers, Geyser River, Valley of Geysers, Kamchatka, Russia

Sergey Gorshkov / Steam emitted from geysers, Geyser River, Valley of Geysers, Kamchatka, Russia

Sergey Gorshkov / Steam coming off river in winter, Kamchatka, Russia

Sergey Gorshkov / Snow covered valley, Kamchatka, Russia

Sergey Gorshkov / Geothermal mud pool, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juvenile displaying, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juveniles fighting over food, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) taking prey from Golden Eagle (Aquila chrysaetos), Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juveniles fighting, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juvenile displaying, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juveniles fighting, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juveniles fighting, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juvenile displaying, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juvenile, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) smolt school with one breeding adult, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) smolt school, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) smolt school, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juvenile making himself appear larger, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juvenile walking, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juveniles fighting, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) immature foraging on fish, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) parrs, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) parrs, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) parrs, Kamchatka, Russia

Sergey Gorshkov / Sockeye Salmon (Oncorhynchus nerka) eggs, Kamchatka, Russia

Sergey Gorshkov / Steller's Sea Eagle (Haliaeetus pelagicus) juveniles fighting over food, Kamchatka, Russia

Konrad Wothe / Snowy Owl (Nyctea scandiaca) flying over tundra, Taymyr, Siberia

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) yawning, Russia

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) standing on snow, Russia

Konrad Wothe / Siberian Tiger (Panthera tigris altaica) pair resting on snow, Russia

Konrad Wothe / Yellow-wing Sculpin (Cottocomephorus grewingki), Lake Baikal, Russia

Konrad Wothe / Russian Flying Squirrel (Pteromys volans), Ural mountains, Pechora-Ilych Reserve, Komi, Russia

Konrad Wothe / Russian Flying Squirrel (Pteromys volans), Ural Mountains, Pechora-Ilych Reserve, Komi, Russia

Konrad Wothe / Yellow-wing Sculpin (Cottocomephorus grewingki), Lake Baikal, Russia

Konrad Wothe / Amphipod (Eucarinogammarus sp) on rocky lake bed, Lake Baikal, Russia

Konrad Wothe / Sponge (Lubomirskia baicalensis) underwater, Lake Baikal, Russia

Konrad Wothe / Sponge (Lubomirskia baicalensis) growing on rocky lake bed, Lake Baikal, Russia

Konrad Wothe / Red-breasted Merganser (Mergus serrator) female, Lake Baikal, Russia

Michio Hoshino / Pacific Walrus (Odobenus rosmarus divergens) colony with males competing for territory, Siberia, Russia

Sergey Gorshkov / Willow Ptarmigan (Lagopus lagopus) sub-adult male in winter, Taymyr Peninsula, Siberia, Russia

Sergey Gorshkov / Waterfall in winter, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall in winter, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall in plateau, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Taiga in winter at sunset, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Northern lights in winter, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / River in winter, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Frozen waterfall, Putoransky State Nature Reserve, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Ice, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Waterfall, Putorana Plateau, Siberia, Russia

Sergey Gorshkov / Map of Russia with red flag on the port town of Pevek, Wrangel Island, Russia

Sergey Gorshkov / Mountain range at sunrise, Wrangel Island, Russia

Sergey Gorshkov / Muskox (Ovibos moschatus) juveniles, Wrangel Island, Russia

Sergey Gorshkov / Lava flow, Tolbachik Volcano, Kamchatka, Russia

Sergey Gorshkov / Steam coming off water, Kamchatka, Russia