There, they established a workshop and have devoted themselves to studying the celadon ware patterns of the Northern Song Dynasty (960-1127). This was a time when Longquan ware from Dayao village in Longquan was covered in celadon glaze ranging in color from faint yellowish-green to a dark olive tone. In the 12th to 15th centuries, Longquan celadon ceramics became one of the main export along the Maritime Silk Road and charmed the world with their magnificent greenish tint.