"They made a fortune," says Thomas Pietsch.

托马斯·皮奇说：“他们发财了。”

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They made a fortune out of him, " says Thomas Pietsch, a wildlife expert at the Hamburg-based animal-welfare group Four Paws. "But it's wrong to keep polar bears in captivity.

汉堡动物权益组织Four Paws的野生动物专家托马斯•皮什指出，“但北极熊不能圈养，他们需要空间，北极的气候更适合他们。”

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