A woman is seen working on a traditional Yangliuqing woodblock printing. [Photo by Jiang Dong/chinadaily.com.cn]

Yangliuqing woodblock printing, which first emerged in the late Ming Dynasty (1368-1644), has about 400 years of history. The name of this printing style literally means "willow is green", referring to a small town on the outskirts of Tianjin said to be its birthplace.

Traditional Yangliuqing woodblock printing has four processes: sketching the lines; carving the woodblock plates; printing with water, ink and pigments; and supplementary painting to create a halo effect, especially around human faces.

The printing style features abundant themes, often inspired by literature, folk legends and myths, but the most recognizable ones are usually auspicious symbols for Chinese New Year.