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简介：yle=color: rgb(102, 102, 102); f>A female polar bear at Highland Wildlife Park in Scotland has given birth to a cub. The mother bear, Victoria, is one of three adult polar bears at the Park. Newborn polar bear cubs are blind, about 30cm long and weigh little more than a guinea pig. It is the first polar bear to be born in the UK in 25 years. This programme goes behind the scenes to follow the extraordinary breeding efforts.
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