These crackles, which resemble spider webs or icebergs, were once considered firing defects of porcelains, resulting from quickly cooling glaze. Until the Song Dynasty (960-1279), masters at the famous Ru Kiln, one of China's Five Great Kilns, learned to control the density of color of crackling and began to create the effect on purpose.
Video: Center for Language Education and Cooperation, Chinese Ministry of Education
Intangible Cultural Heritage
Foreign vloggers experience Jin Opera in Shanxi
Intangible Cultural Heritage
Fire Dragon Dance brings fiery night spectacle to Datong, Shanxi