"The moon is full of water, and Yun Qi is Tianshan Mountain", which is a couplet inscribed by Zheng Banqiao, a famous poem, book and painter in Qing Dynasty. There are two sentences in front of the couplet, and the whole poem is:
"Wan Li compartments, the return of the native has been point; The moon is full of water, and Yun Qi is Tianshan Mountain. " Whether it is a couplet or a poem is still inconclusive.