Light it up: Christmas trees around the world

The Capitol Christmas tree, a white spruce from the Chippewa National Forest in Cass Lake, Minnesota, is seen at dusk on the West Front of the US Capitol in Washington, DC. — EPA

Travel around the world to see how the humble Christmas tree gets redesigned.

Tis the season to pull out the Christmas lights, but if you're in need of inspiration as to how to decorate your tree then look no further than the world's major cities, which have been busy trying to outdo one another with their festive displays for 2014.