柏林动物园为大象和其他动物提供未售出的圣诞树,以丰富它们的营养。 Berlin Zoo feeds unsold Christmas trees to elephants and other animals for enrichment.

柏林动物园向大象和其他动物提供未售出的圣诞树,作为节庆和丰富活动。 Berlin Zoo provided unsold Christmas trees to its elephants and other animals as a festive treat and enrichment activity. 动物园只接受来自某些销售商的新鲜、未售出树木,以避免化学污染或剩余装饰。 The zoo only accepts fresh, unsold trees from select vendors to avoid chemical contamination or leftover decorations. 大象急切地消费树木,而长颈鹿等其他动物则更谨慎地接近它们。 Elephants eagerly consume the trees, while other animals like giraffes approach them more cautiously. 这一年一度的活动有助于让动物保持参与和娱乐。 This annual event helps keep the animals engaged and entertained.