700 av. J.-C. – 1644 apr. J.-C. · 1 sites
Country Record
Longest Recorded History in China
700 av. J.-C. – 1644 apr. J.-C.
The vast frontier fortification system of northern China — rammed-earth Qin walls and the iconic stone Ming battlements — remains the single most conspicuous monumental gap left in a global archaeological atlas.
