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,
Trafalgar Square Trafalgar Square Trafalgar Square ( ) is a public square in the City of Westminster, Central London, built around the area formerly known as Charing Cross. Its name commemorates the Battle of Trafalgar, a British naval victory in the Napoleonic Wars with France and Spain that took place on 21 October 1805 off the coast of Cape Trafalgar. The site of Trafalgar Square had been a significant landmark since the 13th century and originally contained the King's Mews. After George IV moved the mews to Buckingham Palace, the area was redeveloped by John Nash, but progress was slow after his