![Rostock, Germany. 01st Sep, 2020. Polar bears live in the Rostock Zoo in the bear castle and can be observed by visitors through windows. Credit: Volkmar Heinz/dpa-Zentralbild/ZB/dpa/Alamy Live News Stock Photo - Rostock, Germany. 01st Sep, 2020. Polar bears live in the Rostock Zoo in the bear castle and can be observed by visitors through windows. Credit: Volkmar Heinz/dpa-Zentralbild/ZB/dpa/Alamy Live News Stock Photo -](https://c8.alamy.com/comp/2DG8PAY/rostock-germany-01st-sep-2020-polar-bears-live-in-the-rostock-zoo-in-the-bear-castle-and-can-be-observed-by-visitors-through-windows-credit-volkmar-heinzdpa-zentralbildzbdpaalamy-live-news-2DG8PAY.jpg)
Rostock, Germany. 01st Sep, 2020. Polar bears live in the Rostock Zoo in the bear castle and can be observed by visitors through windows. Credit: Volkmar Heinz/dpa-Zentralbild/ZB/dpa/Alamy Live News Stock Photo -
![Rostock Zoo, Germany. 20th February 2013. A visitor looks at 38-year old male gorilla Assumbo in the ape house of the Darwineum in the zoo of Rostock, Germany, 20 February 2013. Photo: Rostock Zoo, Germany. 20th February 2013. A visitor looks at 38-year old male gorilla Assumbo in the ape house of the Darwineum in the zoo of Rostock, Germany, 20 February 2013. Photo:](https://c8.alamy.com/comp/D3MP10/rostock-zoo-germany-20th-february-2013-a-visitor-looks-at-38-year-D3MP10.jpg)
Rostock Zoo, Germany. 20th February 2013. A visitor looks at 38-year old male gorilla Assumbo in the ape house of the Darwineum in the zoo of Rostock, Germany, 20 February 2013. Photo:
![Akiak male polar bear sunning himself on rocks at Rostock Zoo Polarium Germany paw Stock Photo - Alamy Akiak male polar bear sunning himself on rocks at Rostock Zoo Polarium Germany paw Stock Photo - Alamy](https://c8.alamy.com/comp/W4RAAH/akiak-male-polar-bear-sunning-himself-on-rocks-at-rostock-zoo-polarium-germany-paw-W4RAAH.jpg)