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 Poland, Pope John Paul II's country of origin, but not in the Vatican at the time. The first tree came from Italy. Since then, the offering of the Christmas Tree to the Pope has become an honour, and each year the Vatican accepts a tree donated by a different European country or region.<ref name="NECN/APTV"></ref> The Christmas tree is installed in the centre of Saint Peter's Square, together with a life-size nativity scene that is unveiled on Christmas Eve. The nativity scene has seventeen life-size statues. Of these, nine are the original figures donated in 1842 by Saint Vincent Pallotti for