Called as the Horseshoe field since terraces here are shaped like a Horseshoe. The Horseshoe Hill in Sang Nhu village is one of the top must-photo-shot view in Mu Cang Chai, Yen Bai province. The rice fields by Pour Water Season at Sang Nhu deserve to be called the man-made world wonder where the colorful, curvy green and golden reflected patches of rice fields by sunset blend so harmoniously with each other.