liu-gong valley also lies on the periphery of middle yandang mountains. in 1132, the county magistrate of yue qing county organized workers to dig a canal and build the dykes and dams, which solved the flood and protect the benefits of citizens. to memorize him, people call the valley liu-gong vally. it is said that in jin dynasty(265–420), a literary celebrity named ruan-fang(chinese: 阮放) has lived in seclusion and wang xizhi(chinese: 王羲之) came here to visited him. therefore, lots of poets and calligraphers visited here and left their work.