For many families, this will be the weekend where the "tree in a box" comes out of the loft, gets dusted down, has its branches bent back into shape, and the decoration begins. For others, it's the trip to the Christmas Tree Farm so beloved by Hallmark Christmas movies (more on them later as well). But we are off to London because it's the weekend of the Scandi Christmas Fairs! But disaster has struck! The cinnamon bun machine at the Finnish Church in Rotherhithe has broken. At least their lovely star-shaped pastries and Fazer jellies are still available, plus reindeer stew. And then it's off to see Christmas trees! There are three we recommend this year (and every year). The tree from Norway is on its way to Trafalgar Square. It's been growing for 70 years in Nordmarka, the forests north of Oslo. BBC London News are tracking its travels, currently at the Port of Immingham: St Pancras Station always has a great tree, and this year it's all about books, a c...