Qinghai

This is my hometown, Xining, Qinghai

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• published: 09 Oct 2011
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从土豆网转载而来，著作权归原作者！ Xining has a history of over 2100 years[1] and was a chief commercial hub on the Hexi Corridor caravan route to Tibet, handling especially timber, wool and salt in ancient times. The trade along the Hexi Corridor was part of a larger trade corridor along the Northern Silk Road, whose use was intensified in the first century BC after efforts by the Han Dynasty to control this route.[2] Under the Han dynasty (206 BC--AD 220) a county there called Linqiang controlled the local Qiang tribesmen. It was again a frontier county under the Sui (581--618) and Tang (618--907) dynasties; during the 7th and early 8th centuries it was a center of constant warfare with the Tuyuhun and (later) the Tibetan peoples. In 763 it was overrun by the Tibetans and while under Tibetan control was known to the Chinese as Qingtangcheng. Recovered by the Song dynasty in 1104, it received the name Xining (meaning "peace in the west") and has been the seat of a prefecture or superior prefecture under that name since that time. With the rise of Tibetan Buddhism (Lamaism), which began in the 7th century AD, Xining became an important religious center; Qinghai's largest lamasery, a holy place to the Yellow Hat sect of Buddhists, was located at Kunbum, some 19 km to the southeast. Xining has also been dubbed the Summer Resort Capital of China owing to its cool summer, with a cold semi-arid climate (Köppen BSk). Conditions are influenced by the aridity and high altitude. Lows are cold or cool throughout the year, and highs are often more than 15 °C (27 °F) warmer than lows. Monthly daily averages range from −7.4 °C (18.7 °F) in January to 17.3 °C (63.1 °F) in July; the year averages at 6.1 °C (43.0 °F). Rainfall falls mainly from May to September, and the area is often dry and sunny, with nearly 2680 hours of bright sunshine per year.