莫高窟内有总面积达45000平方米的精美绝伦的壁画,绘画创作时间长逾1000余年,成为驰名中外的人类文化瑰宝。然而,据敦煌研究院从事敦煌石窟文物保护的专家透露:敦煌莫高窟保存的壁画,一半以上患有被称之为壁画“癌症”的酥碱病。一些唐代壁画,60年代还清晰可见,现在已经消失;第 Mogao Grottoes within a total area of ​​45,000 square meters of exquisite murals, painting more than 1,000 years of creation, a well-known human and cultural treasures. However, according to Dunhuang Research Institute of Dunhuang grottoes cultural relics protection experts said: Dunhuang Mogao Grottoes saved more than half suffer from what is called the mural “cancer” of the cassia. Some of the Tang Dynasty murals were also clearly visible in the 1960s and now disappear;