Various forms of physical training for military purposes, such as archery and charioteering in the Western Zhou Dynasty and long-distance runs in the army camps of the Ming Dynasty.
各种以军事用途为目的的军事训练,如西周时期的射艺和御艺(驾车)以及明朝军营的长跑训练。
Several ancient Roman army camps have been traced with the help of air photographs.