In Cologne, Germany it is common to donate your used Christmas trees to the local zoo. An elephant can eat up to 3 of these trees a day and can also use them to clean their teeth.
Christmas might be over and done, but for these elephants there are still holiday treats to come.This herd living at a zoo in Cologne, Germany, are given left-over Christmas trees each year and were pictured munching away on New Year's Eve. The elephants can eat up to three trees per day, and also use them to keep their teeth clean. The Christmas tree-treats have become a tradition at Cologne Zoo, according to the zoo's director.
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