A squirrel is seen at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)
Squirrels are seen at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)
A squirrel is seen at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)
A squirrel searches for food at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)
A squirrel is seen at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)
Squirrels are seen at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)
Squirrels are seen at Emirgan Park in Istanbul, Turkey, Nov. 25, 2019. (Xinhua/Xu Suhui)