As it's Christmas Eve, we've rounded up some of our favourite takes on the traditional Christmas tree, including one upside-down and one encased in ice.

Fighting Fire with Ice Cream by Alex Chinneck
This year, British artist Alex Chinneck seemingly froze a Christmas tree inside a huge ice cube in London's Kings Cross.
The seven-metre-tall installation is situated between the colourful fountains outside Central Saint Martins' Granary Square campus, and is made from a giant resin block covered in melted wax.
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Tate Britain Christmas tree by Shirazeh Houshiary
London's Tate Britain celebrated the start of the festive season by hanging a Christmas tree upside down from the ceiling of its Millbank building. Created by artist Shirazeh Houshiary, the piece focuses on the pine tree's natural qualities, such as texture and smell, but also features roots covered in gold leaf.
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Claridge's Christmas Tree by Jonathan Ive and Marc Newson
Instead of a simple Christmas tree, Apple duo Jonathan Ive and Marc Newson worked alongside British set designer Michael Howells to recreate a "magical" forest in the lobby of Claridge's hotel in London this year.
The installation includes four-metre-high light boxes that glow with black and white photographs. Real silver birch trees are placed in front of the backdrop in small mounds of artificial snow, while larger green pine trees stand in t...