The Mayor of Oslo, Fabian Stang, has overseen the annual felling of a Norway spruce tree for Trafalgar Square. The tree is typically a 50- to 60-year-old tree, over 20 metres tall.
After the tree is cut, it is shipped to London by sea.
At the base of the tree stands a plaque, bearing the words:
This tree is given by the city of Oslo as a token of Norwegian gratitude to the people of London for their assistance during the years 1940-45. A tree has been given annually since 1947.
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Today's showers should clear overnight - and tomorrow will be more settled, but temperatures still feeling cool.
The pair have been poring over old maps and records in their bid to convince the council the warehouse should not be converted into flats.