题解“丹青”,原指丹砂和青藤两种颜料,是中国古代绘画中最常用的颜色。《汉书·苏武传》说到苏武的忠贞时言:“竹帛所载,丹青所画。”从这以后,丹青就泛指图卷。丹、青都是矿物,其色经久不灭,数百年鲜艳如故。云南沧岩壁画的主原料就是红丹,至今保存完好。缘此,丹青又比喻坚贞 Explanation of “Danqing”, originally referred to cinnabar and ivy two pigments, is the most commonly used in ancient Chinese painting color. “Han Su Su Wu Chuan” When it comes to Su Wu’s loyalty: “Bamboo silk contained, painted by Danqing.” Since then, Dan refers to the general picture. Dan, green are minerals, its color enduring, hundreds of years as vivid. Yunnan Cangyan murals of the main raw material is red, so far intact. As a result, Danqing also analogy firm