China, Silk Road - Jiaohe Ancient City

Among the earliest settlers of this area are the Indo-European speaking Tocharians,who had populated the Tarim and Turfan basins no later than 1800 BC. From the years 108 BC to 450 AD the city of Jiaohe was the capital of the Anterior Jushi Kingdom, concurrent with the Han Dynasty, Jin Dynasty, and Southern and Northern Dynasties in China. Jiaohe is a bit less than 2000 years old
It was an important site along the Silk Road trade route leading west, and was adjacent to the Korla and Karasahr kingdoms to the west. From 450 AD until 640 AD it became Jiao prefecture in the Tang Dynasty, and in 640 AD it was made the seat of the new Jiaohe County. From 640 AD until 658 AD it was also the seat of the Protector General of the Western Regions, the highest level military post of a Chinese military commander posted in the west. Since the beginning of the 9th century it had become Jiaohe prefecture of the Uyghur Khaganate, until their kingdom was conquered by the Kyrgyz soon after in the year 840. Jiaohe was also built on a plateau and this plateau is 30m high.