Uncovering and repairing is a traditional skill that makes the damaged ancient calligraphy and painting "come back from the dead" to reproduce the historical and artistic value. Hu Lingbo, a painter and restorer of calligraphy and painting cultural relics in Shijiazhuang, Hebei Province, learned this ancient traditional skill from an early age. Over the past 40 years, he has repaired tens of thousands of ancient calligraphy and paintings. According to Hu Lingbo, the uncovering and repairing of calligraphy and painting has a long history. Its techniques mainly include uncovering, washing, patching, full-color, pen receiving and other processes. Each process can be subdivided and evolved into a variety of operating techniques. To restore an ancient calligraphy and painting is to restore the memory of a cultural relic. (news agency)