Rees is back in Shanxi, this time to explore Peibai village, the hometown of the father of Chinese scientific cartography. This episode taps into the epic story of Pei Xiu, who, through careful observation and extensive research, produced an extraordinary map of ancient China over 1,700 years ago, when much of the nation was mysterious and unknown to outsiders. Check it out.

(Video source：Shanxi Radio and Television Station)