Ice swimming in Finland: Is that why it’s the happiest country? | CNN

Finland ranks as the happiest country in the world. Could swimming in icy water – and the mental and physical health benefits associated with such a practice – be one of the reasons this country is so content?分類：continents and regions, europe, finland, helsinki, lodging, northern europe, resorts and spas, seasons of the year, travel and tourism, winter (season), finland travel guide...