Interestingly, long before humans walked the Earth, Mother Nature had begun carving her own Great Wall in the Gobi, with wind as her chisel. In what is now the Dunhuang Yardang (Yadan in Chinese ...

The Great Wall dated to the Ming Dynasty (1368-1644) extending from the Jiayu Pass. SUN ZHIJUN/FOR CHINA DAILY/TONG YUNSHAN/CHINA DAILY Located 160 km southeast of Yumen Pass, Jiayu Pass marks the ...