On June 10, flow of chute of mouth of Yellow River crock is rapid, billow rolls, splash a tremendous water mist. It is under the set off of blue sky white cloud, on the side of crock mouth chute, rainbow is hanged high, glow, emersion " rainbow paddle " landscape, before attracting each district tourist, will view and admire take a picture accept as a souvenir. It is reported, "Rainbow paddle " one of 8 big landscape that are crock mouth chute. Lan Hua is photographed