Japanese macaques take a warm bath

20 January 2014 Last updated at 07:32 GMT

When the temperature dips at Jigokudani Park in Japan the macaques bathe in the naturally warm water which is heated by the Earth.
Japanese macaque monkeys
Dive in! These Japanese macaque monkeys are keeping out of the cold by plunging into a hot spring.
Japanese macaque monkeys
When the temperature dips at Jigokudani Park in Japan the macaques bathe in the naturally warm water which is heated by the Earth.
Japanese Macaques groom each other in a hot spring at a snow-covered valley in Yamanouchi town
Around 160 of the macaques, also called snow monkeys, live in the park.
Snow monkeys
That's the spot! The macaques groom one another which keeps them looking smart and helps them build relationships.
Snow monkey
Bottoms up - this macaque looks like it has belly flopped!
Snow monkeys
Apart from humans, the Japanese macaques are the only primates to live in a climate as cold as this. They even make snowballs for fun, just like us.