If you were an African or Asian elephant standing around in -7C temperatures just outside the Berlin city limits, you'd probably feel in need of something to keep you busy and maybe even cheer you up a little.
That's why keepers at the zoo decided to bring in the festive foliage and brighten up a few of the chilly January days for their wards.
An elephant at Berlin's Tierpark zoo enjoys eating a leftover Christmas tree. Photo: DPA
"The nutritional value of fir trees is very limited, they mostly just keep them busy. The elephants like to chew on them," a spokeswoman told the Berliner Morgenpost.
Elephants usually eat hay or grass and sometimes get fruit or vegetables in amongst the feed.
An elephant plays with a twig from a Christmas tree in Berlin's Tierpark zoo. Photo: DPA
But both of Berlin's zoos have been offering them unsold Christmas trees from the capital's suppliers – not the forlorn, sometimes partially-decorated ones to be seen by the side of the road in the early days of January.
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Other animals, including kangaroos and zebras, also enjoy eating and playing with the trees.
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