Last updated at 07:32

Japanese macaques take a warm bath

When the temperature dips at Jigokudani Park in Japan the macaques bathe in the naturally warm water which is heated by the Earth.
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 macaque monkeys
Around 160 of the macaques, also called snow monkeys, live in the park.
Japanese Macaques groom each other in a hot spring at a snow-covered valley in Yamanouchi town
That's the spot! The macaques groom one another which keeps them looking smart and helps them build relationships.
Snow monkeys
Bottoms up - this macaque looks like it has belly flopped!
Snow monkey
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.
Snow monkeys