ocr: 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! don'tsuppose there can bea better place in the whole of Africa for hearing a hippo grunt. The light was becoming magically wara and long, andi I sat watching them foran hour, aglow with amazement.
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