导演:Steve Jenkins
How to Clean a Hippopotamus, a book about animal symbiosis, offers readers a close-up, step-by-step view of nature's fascinating partnerships. You can find out why a mongoose comes running when a warthog lies down, how a crab and an iguana help each other out, why ravens follow wolves, and more. You can witness the ingenious lifestyles of some of the world's most unusual animal...(展开全部)