Bao Jing mountains is the best there is a huge ditch in the sand if we move skyward, surface roughness, from afar, like a big screen. This is a timely Bao Jing, also known as Devil's mountains. Jiuzhaigou is this legend poured down the mountains leader erected by the side of Zaga according to Bao Jing, a suppression to people below the devil, so that it may stand up forever.