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,
Lisbon Christmas tree 2007, the Lisbon Christmas Trees and the Christmas Tree in Bucharest, Romania, both at 76 metres high, competed for the title of the tallest Christmas Tree in Europe. The Lisbon Christmas Tree kept its title as no Christmas tree has been erected in Bucharest in 2009. Lisbon Christmas tree The Lisbon Christmas tree is an Artificial Christmas tree erected annually in Lisbon, Portugal since 2004. From 2005, when it was an entrant in the Guinness World Records, the tree is called the "Europe's tallest Christmas tree". The height of the tree varies every year and it was the highest in