A very good female commentator, warm, thoughtful, the commentator's intelligent eyes, in the cultural relics upstream, she used approachable language, for the audience to show a dusty historical picture. The narrator not only explained the historical background of the artifacts in depth, but also made the audience have a strong interest in those ancient stories through live examples. The knowledgeable and thoughtful service of the narrators is indeed gratifying, and they are able to present complex exhibits to us in a simple and understandable way, allowing us to learn and gain knowledge in a relaxed and enjoyable atmosphere.