Since many years, humans in Europe celebrate on the 21st of June the Summer Solstice. It is the day when the sun is at its highest position and the night is the shortest of the year. Huge buildings like the Stonehedge where possibly constructed in order to determine the pursuit of the sun and to get an idea of the actual time of a day. On that special day it was possible to measure the time for a long period!
Celebrating Summer Solstice became less popular due to Christian rituals and festivals, but it faces a new rise in interest in different countries. Scandinavian countries in particular are return to their traditional origins and enjoy celebrating this important day of the year.