Tien Pagoda (Chua Tien Pagoda of the Immortal). Official name: Song Tien tu. Located in Lang Son province, if is a grotto bristled on the top with stalagmites evoking sitting divine forms. According to the legend, an Immortal disguised as a beggar would have come here, his footprints on the stone are believed to have become a well which brought water to people in time of drought.
Previously, the well on the mountain slope had the form of a footprint and gave clean water. When it was damaged, villagers dug it deeper to find water. The Immortal is assimilated to Agricultural Genius Than Nong, whose festival is celebrated each year on the 6th moon.
