700 ई.पू. – 1644 ईस्वी · 1 स्थल
Country Record
Longest Recorded History in China
700 ई.पू. – 1644 ईस्वी
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.