Transcription: As the sun began to go down, we went and sat by the local hippos. At a wide bend in the river, the water formed a deep, slow-moving pool, and lying in the pool, grunting and bellowing, were about 200 hippopotamuses. The opposite bank was very high, so that the pool formed a sort of natural amphitheatre for the hippos to sing in. And the sound reverberated around us with such startling clarity that I don't suppose there can be a better place in the whole of Africa for hearing a hippo grunt. The light was becoming magically warm and long, and I sat watching them for an hour aglow with amazement. ...
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