Some estimate that the city’s subterranean history could stretch back 1 million years, with early human settlement from the Lantian Man and walled settlements already visible during the Yangshao period 7,000 years ago. – Artnet
Some estimate that the city’s subterranean history could stretch back 1 million years, with early human settlement from the Lantian Man and walled settlements already visible during the Yangshao period 7,000 years ago. – Artnet
