Great Rift Valley, Ethiopia

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Great Rift Valley, Ethiopia: Dallol volcano in the Great Rift Valley – the world’s largest rift system which stretches 6,000km from the Red Sea down to Lake Malawi. Up to 74km in places, it’s cradled by a series of cliffs, rising from the valley floor to the top of the highest escarpments, up to 1.6km above …

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