Korean potters of the Goryeo period brought to perfection the art of celadon ware. Originally inspired by Chinese Yue ware, Goryeo celadon ware was used for both utilitarian and ceremonial purposes, and was highly prized by the royal court and the Buddhist clergy. With the development of the sanggam inlay technique in the early twelfth century, celadons of the latter half of the Goryeo period were luxuriously decorated with fine black and white inlaid designs depicting traditional Korean motifs such as willow trees, lotus flowers, waterfowl and fish.