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It's common to see the coffee art, but have you seen the art in a cup of tea? This kind of tea art is called Dian Cha, a main tea drinking method in the Song Dynasty. The process of making it is not easy but people really enjoy Dian Cha especially because of the nice patterns on the surface of the tea.
The tea art begins with adding hot water over the fine powdered (粉末的) tea. This action creates a paste (糊状物) on the tea. Then add more water while whisking (搅动) it by hand with a bamboo whisk. It usually requires whisking about 200 times before the thick foam (泡沫) appears. Then, one can begin drawing. But drawing on the tea foam is not the same thing as drawing on the paper. One may use the hard teaspoon against the soft foam, which requires great attention. Unlike normal spoons, the teaspoon used in Dian Cha is quite thin and has a pointed end to help to draw, just like a pen.
In the Song Dynasty, many famous people regarded Dian Cha as an important free-time activity. Emperor Song Huizong even wrote a book called Treatise on Tea which included some details of tea-whisking. According to the book, good tea should be white and fine. The better the tea was, the whiter it should be, and the longer the foam should last.
In 2019, Dian Cha was listed as a cultural heritage (遗产) in Zhenjiang, China. A growing number of people now want to learn and spread this traditional skill. Han Zheming, a designer from Shanghai, has created nearly 200 images on the tea and put the process of Dian Cha online. "I want more people to understand and appreciate the beauty of Dian Cha." Han says.