Sweden,Finland Nordic countries near the North Pole,winter long in most areas,almost half the time cannot see the sun.Midsummer festival,this area is one of the most sufficient sunshine years,the longest day midsummer festival is the day,almost no night.Therefore on that day,people celebrate all darkness and light against the coming glory days.The bonfire party is an important content of the festival.According to the old tradition,the newlyweds lit bonfires by.