Weathering pit is a pit formed on the top surface of rock due to weathering of accumulated water. When a pebble meets a rock recess and cannot move forward, it will be driven by the current and turn around. After a long time, it will form a cavity and expand after being weathered by accumulated water.

According to legend, Lushan Mountain used to be a huge reef on the seabed in ancient times, but the sea surface rose due to crustal changes. After thousands of years of waves and tides, it has become a rugged, rugged and rugged landscape.

Tian Yundong, located on the rest mountain of Li Wenxia, Daitou Town, Xiuyu District, Putian City, Fujian Province, with an altitude of 398 meters, is one of the four dream-praying resorts in Puxian. It is famous for its strange peaks and rocks, secluded caves and forests, and winding paths. Many local temples and pavilions live by the peak and the wall, which are simple and elegant and have their own characteristics.