Instructor Fang Hui says, not without a touch of pride, "The civilian workers can dig without breaking the items at the site, and they can even judge geology." Not far away, Old Dong is introducing the relationship of the layers of soil to a visitor--which ones are layers of ancient culture, which are yam pits dug in the 1950s, and which are modern rows cut for planting.
方輝老師有些得意地介紹，「民工會剷土、不會弄碎遺址內的器物，還會看地質。」不遠處的老董正在跟訪客介紹遺址內的地層關係，哪些是古代的文化層，哪些是五十年代打的地瓜窖，那些又是現代的山藥溝。