The Yellow River is the maternal river of our the Chinese nation, she and the Yangtse River a be pregnant with our great an ancient name for China is civilized. In Yellow River North Shaanxi paragraph have the 2nd cataract of our China crock mouth chute. Situation of cliff of both sides of crock mouth chute is abrupt, yellow River water is tightened up again, velocity of flow is accelerated, gush and fall, its influence is strong beautiful shock popular feeling, if knot of winter Yellow River freezes, the one waterfall that hang ice is hanged between hill, more gallant.