🌄 Arctic hares are seen inside their open-air enclosure at Royev Ruchey Zoo in the suburbs of Russia’s Siberian city of Krasnoyarsk, with the air temperature at about minus 35 degrees Celsius. Picture: REUTERS/Ilya Naymushin

Arctic hares are seen inside their open-air enclosure at Royev Ruchey Zoo in the suburbs of Russia’s Siberian city of Krasnoyarsk, with the air temperature at about minus 35 degrees Celsius. Picture: REUTERS/Ilya Naymushin