A place to socialise, be adventurous: Why Finland's saunas are so cool

Saunas are a popular part of Finnish culture, with a resurgence in recent years as a way for young people to socialize. They can be found in public spaces, as well as in people's homes, with some apartments even having a sauna inside. Sauna culture involves alternating between hot and cold, such as taking a dip in freezing cold...