Geological Formation & Natural ArchitectureOften called “China’s Grand Canyon,” Pinghu Lake (平山湖) presents a 150-square-kilometer symphony of erosion carved over 80 million years. Located 60 kilometers northeast of Zhangye, this crimson-hued landscape reveals geological chapters from the Cretaceous to Quaternary periods. The canyon’s defining features—towering pillar formations, deep narrow gorges, and natural arches—result from the […]