Picea abies outside of its native range, and one of the most economically important coniferous species in Europe. It is used as an ornamental tree in parks and gardens. It is also widely planted for use as a Christmas tree. Every Christmas, the Norwegian capital city, Oslo, provides the cities of London (the Trafalgar Square Christmas tree), Edinburgh and Washington D.C. with a Norway spruce, which is placed at the most central square of each city. This is mainly a sign of gratitude for the aid these countries gave during the Second World War. In North America, Norway spruce is widely planted,
Vatican Christmas Tree Vatican Christmas Tree The Vatican Christmas Tree, also called the Saint Peter's Square Christmas Tree, is the decorated tree that is erected annually in the Saint Peter's Square directly in front of St. Peter's Basilica in the Vatican City to celebrate the Christmas holiday season. The tradition of placing a Christmas Tree as well as the life-size Nativity Scene in Saint Peter's Square started in 1982 during the pontificate of Pope John Paul II, when the Polish-born Pope introduced the northern European symbol of Christmas spirit. The tradition of erecting a Christmas Tree was celebrated in northern Europe and in