近年来,被列为世界文化遗产的布达拉宫、故宫相继展开大规模整修。在修缮古建筑的过程中,如何既能沿用传统材料与工艺,最大限度地保持它们的原始风貌,同时又能延长它们的寿命,成为亟待解决的难题。由此,文物保护技术等与古老历史打交道的专业随着古迹、古建筑的大修而闯入同学们的视野…… In recent years, the Potala Palace and the Forbidden City, which are listed as world cultural heritage, have undergone major renovations. In the process of renovating ancient buildings, how to use traditional materials and techniques to maintain their original features to the maximum extent and at the same time extend their life span has become a difficult problem to be solved. As a result, the professions that deal with ancient history, such as cultural relics protection technology, entered the field of vision of the students along with the overhaul of historic sites and ancient buildings...