levels by late July.

Dangers

Powerful whirlpools have killed unlucky seafarers, but their power tends to be exaggerated by laymen. One of the few reports of a large disaster comes from the fourteenth-century Mali Empire ruler Mansa Musa, as reported by a contemporary, Ibn Fadlallah al-Umari:

Tales like those by Paul the Deacon, Edgar Allan Poe,

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