December 4, 2016 - Sao Paulo, Brazil - Polar bears Aurora and Peregrino, respectively 5 and 6 years old, live in the SÃ£o Paulo Aquarium in Ipiranga, South Zone of the capital on 4 December 2016...Born in cold Russia, mammals are the first of its kind in the country. Despite the climatic difference between their homeland and Brazil, the bears, who together weigh 730 kg, had no problem adapting to their new home. They are located in an area of 1,500 square meters and with a temperature between -15 Â° C and -5 Â° C...The couple lived in a zoo in the Russian city of Kazan but, according to experts, the space was not large enough for their proper development. (Credit Image: © Cris Faga/NurPhoto via ZUMA Press)