100 miles east from Xi’an, there is Huayin City. The city neighbors the Weihe River plain and the Yellow River in north and the Qinling Mountains in south. There is a granite mountain on the north side of the Qinling Mountains range.

Of course, only people who are familiar with geography know the detail. Most people only have heard of the name of the mountain.

The Weihe River plain is only over 300 meters above sea level, and the mountain is 1700 meters high. It ...