But the joy of dealing daily with national treasures, communing across the years with the great artists of past centuries, and ensuring that what the ancients toiled to create will still live on in the world, is also something that they alone can know.
日夜溫差過大，造成水滴凝結而傷害文物，反覆熱漲冷縮也易傷害文物結構。＊濕度不當：濕度過高易滋生霉菌，產生鏽蝕等，濕度過低則易造成脆裂。