There are two islands on the crest of the falls that are large enough to divide the curtain of water even at full flood Boaruka Island near the western bank, and Livingstone Island near the middle the point from which Livingstone first viewed the falls. At less than full flood, additional islets divide the curtain of water into separate parallel streams. The main streams are named, in order from Zimbabwe to Zambia Devil's Cataract, Main Falls, Rainbow Falls and the Eastern Cataract.
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