On the seventh day of the seventh month of the lunar Chinese year, young men and women will celebrate their traditional ‘Valentine’s Day’, Qixi Festival (七夕节). The custom can be traced back to an ancient story.

Li Bai (李白, courtesy name Taibai 太白, 701–762) from Tang dynasty (618–907) was one of the greatest poets in Chinese history. He was also famous for his love of wine and was extremely productive in writing poems while he got tipsy.

Typically, the scene in Fig. 3 depicts one of the Eight Immortals of the Win...