Monkeys huddle together for warmth at Hanoi zoo

Primates at Hanoi Zoo in the capital city of Vietnam are huddling together to tough out the biting cold. Photo: Pham Tuan / Tuoi TreThree monkeys huddle together to protect themselves from the biting cold at Hanoi Zoo in the capital city of Vietnam. Photo: Pham Tuan / Tuoi TreYoung visitors feed the deer at Hanoi Zoo. Photo: Pham Tuan / Tuoi TreAn elephant at Hanoi Zoo is kept inside an enclosure covered with sheets to avoid the cold weather. Photo: Pham Tuan / Tuoi TreThe outside of the elephant enclosure at Hanoi Zoo.