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 Square, the world premiere of the final film in the "Harry Potter" series, "Harry Potter and the Deathly Hallows – Part 2", was held in Trafalgar Square, with a red carpet linking the squares. Fans camped in Trafalgar Square for up to three days before the premiere, despite torrential rain. It was the first film premiere ever to be held there. A Trafalgar Square in Stepney is recorded in "Lockie's Topography of London", published in 1810. Trafalgar Square in Scarborough, North Yorkshire gives its name to the Trafalgar Square End at the town's North Marine Road cricket ground. National Heroes