9. Says Raphael: "I already have told you how the Nile at certain times grows to a true Deluge! About 567 years after Shivinz, our Nile rose to a puzzling height; in narrow places it rose to over hundred-and-sixty ell (1 ell = 1.143 m) above its normal water level! All cities lying in valley bottoms were entirely over flooded for five weeks, and at that opportunity the pearls including the houses where they have been kept, were swept away by the force of the waves and were covered by sand and mud just as the blocks from which the buildings were constructed.