Explanation: Ancient moon that a total of one-third of the world, Yangzhou exclusive dichotomy. Originally used to describe the scene of Yangzhou bustling prosperity. Metaphor for this exceptionally bright moonlight local. Usage: Partial official; as object; that beautiful scenery Source: Tang Xu Ning "Memories of Yangzhou" poem: "there were three bright moonlit night, the second sub rogue Yangzhou." Examples: Paint new Langzhong Court miles, ~ old Yangzhou. (Ching Lee Doo "Pleasure boats" Volume X)