国产极品av尤物在线,高清对白精彩国产国语,国产无码精品,亚洲成免费av人片无码

l         Remote Antiquity to Slave Society (1.7 million years ago-476 B.C.) 

l         Qin Shi Huang (259-210 B.C.) and His Empire 

l         Han Dynasty (206 B.C.-A.D. 220) and the Silk Road 

l         Tang Dynasty (618-907) 

l         Song, Yuan, Ming and Qing Dynasties (960-1911) 

l         Modern Period (1840-1919) 

l         New-Democratic Revolution (1919-1949) 

l         People's Republic of China (1949- ) 

(China.org.cn)