A person in the Song

"Your Excellency, according to the records in this historical fun story booklet, there's Xia, Shang, Zhou, Qin, Han, Wei, Jin, Southern and Northern Dynasties, Sui, Tang, Five Dynasties and Ten Kingdoms, Song, Yuan, Ming, and Qing dynasties...",There's a teaching volunteer acceptance letter, along with a teaching training certificate, a student ID card from Renmin University of China, and some clothing. There's also a small metal box and a large one, a bunch of bottles and cans, some black and white thread, and some other books...,After some thought, Yan Shu said: "You're all injured, you can't go down the mountain."。