Barbary macaques eat vegetables from a leftover Christmas tree in the Tierpark Zoo in Berlin, Germany, January 4, 2019. [Photo: VCG]
A Barbary macaques plays with leftover Christmas tree in the Tierpark Zoo in Berlin, Germany, January 4, 2019. [Photo: VCG]
Sumatran tiger cubs play with a Christmas tree in their enclosure at the Tierpark zoo in Berlin on January 4, 2019. [Photo: VCG]
A female Sumatra tiger named Mayang is tempted by strips of meat hanging from a Christmas tree at Tierpark Berlin zoo on January 04, 2019 in Berlin, Germany. [Photo: VCG]
Asian elephants Louise and Frosja pick pieces of red paprika hanging from a Christmas tree at Tierpark Berlin zoo on January 04, 2019 in Berlin, Germany. [Photo: VCG]
An Asian Elephant plays with a Christmas tree decorated with pepper and other treats in its enclosure at the Tierpark zoo in Berlin on January 4, 2019. [Photo: VCG]