Trafalgar Square Christmas tree for voluntary or charitable organisations. The tree remains until just before the Twelfth Night of Christmas, when it is taken down for recycling. The tree is chipped and composted, to make mulch. The Trafalgar Square Christmas tree is typically a 50- to 60-year-old Norway spruce, generally over 20 metres tall. The tree is cut in Norway sometime in November during a ceremony attended by the British Ambassador to Norway, Mayor of Oslo, and Lord Mayor of Westminster. After the tree is cut, it is shipped to the UK by boat across the sea. At one time it was shipped to
Fourth plinth, Trafalgar Square recommended that the plinth should continue to be used for an ongoing series of temporary works of art commissioned from leading national and international artists". After several years in which the plinth stood empty, the new Greater London Authority assumed responsibility for Trafalgar Square and the fourth plinth. The Fourth Plinth Commission is led by the Mayor of London's Culture Team, under the guidance of the Fourth Plinth Commissioning Group. The group is made up of specialist advisers appointed to guide and monitor the commissions for the plinth. Under the stewardship of the Fourth Plinth Commissioning Group, the following artworks