The Japanese language is rich in words and expressions influenced by nature, history and culture. This episode focuses on words related to yu, meaning both hot water and a bath. From a nice cup of tea to a soothing bath, hot water is indispensable in daily life. What's more, Japan is famous for its steaming hot springs, with more than 17,000 of them around the country. From his home in Kyoto Prefecture, poet and literary translator Peter MacMillan guides us through words that reveal the warmth Japanese people feel for hot baths and hot water.