Appraisers attach red silks to selected porcelains during a ceremony taking porcelains out of the kiln in Shenhou Township of Yuzhou City, central China's Henan Province, Nov. 19, 2016. Jun porcelain is famous for its amazing change of color during the process of firing in kilns. Shenhou, an ancient town located in mountainous area of Henan, has a long history for making Jun porcelain. (Xinhua/Li An)