been the most sophisticated and internationally collectible by auction houses and specialty collectors. North Korean painters who escaped to the United States in the late 1950s include the Fwhang sisters. Duk Soon Fwhang and Chung Soon Fwhang O'Dwyer avoid overtly political statements in favor of tempestuous landscapes, bridging Western and Far Eastern painting techniques. North Korean painters are renowned for their skill, and those who manage to defect to South Korea are regularly employed as artists there. Photography and cinema Ceramics and sculpture The remains of early Korean pottery can be found predominantly in Gangjin. Gangjin was one of the main producers of ancient Korean pottery, therefore, many of the remains of ancient kilns can be found in that area. Korean pottery is typically divided into three different categories: Cheongja (blue-green celadon), Baekja (white porcelain), and Buncheong (slip-coated stoneware). See: Korean pottery and porcelains and Korean Celadon List of Korean ceramic artists and sculptors Cheongja (청자) Celadon is Korean stoneware which has gone through major development in the hands of potters during the Goryeo dynasty about 700 to 1,000 years ago. This type of pottery is characterized by its attractive jade blue surface and the unique Korean inlay technique used to decorate the pottery. See: Goryeo ware Baekja (백자) 100–600 years ago, white porcelain ware was the main representation of Korean ceramic art. Baekja is type of ancient pottery that is characterized in various ways; the main feature was its milky white surface. Many of these artworks were decorated with a variety of painted designs using oxidized iron, copper, or cobalt blue pigments imported from Persia via China. See: Joseon white porcelain Buncheong (분청) These art pieces were made by Goryeo potters after the fall of their kingdom in 1392. It is mainly identified through its slip-coated surface and simple ornamental designs through various pottery techniques. In modern times, Korean pottery has gained attention and the highest praise from collectors all over the world. See: Buncheong Korean pottery is the most famous and senior art in Korea, it is closely tied to Korean ceramics which represents tile work, large scale ceramic murals, and architectural elements. Other mediums Korean bronze art, as represented in the work of Kim Jong-dae, master of yundo or bronze mirror casting; and Yi Bong-ju, who works in hammered bronze metalware. Korean silver art, as represented in the work of Kim Cheol-ju in circular silver containers. Korean