" So the Yellow River is a constant, unpredictable and often terrifying character in the story of China, nothing like the benign life-bearing flood of the Egyptian Nile, whose rising was celebrated each year with unerring predictability on 15 August, or the Tigris in Mesopotamia, whose summer rising was greeted into the twentieth century with liturgies and food offerings, even in Muslim households. "

― Michael Wood , The Story of China: The Epic History of a World Power from the Middle Kingdom to Mao and the China Dream