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The Loess Plateau ,is the only accumulated plateau in the world. It is composed of hundred meters of loess, which is accumulated during the whole Quaternary and even in the Pliocene. The unique properties of loess, such as, homogeneously fine grain size, high porosity, and its softness, make it easy to plough and subject to erosion. The development of gully system produces diversity of loess landforms. But the heavy soil erosion has a great impact on the daily life of the local people. The basement of the Loess Plateau is Mesozoic and Tertiary basins. The red clay, found beneath loess layers and above bedrock, is called Hipparion Clay and is correlated with Pontian.
http://shixi.bnu.edu.cn/field-trips/cooperation/ChinaSweden/xa2_main.htm
360-degree panorama photography by yunzeng liu
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Shanxi, Shaanxi, or referred to Qin, also known as Shaanxi, China's northwest region, a province, the provincial capital Xi'an, located in the hinterland of China, the Yellow River and Yangtze River, located in east longitude 105 ° 29 '~ 111 ° 15', Latitude 31 ° 42 '~ 39 ° 35' between. East of Shanxi, Henan, west of Ningxia, Gansu, south of Sichuan, Chongqing, Hubei, Inner Mongolia, north, connecting China living in east and central region and the northwest and southwest of the important position. Because of the Shan Zhou (now Shan County in Henan Province) west of the, so called Shaanxi. Long history and profound culture. Longer period in the history of Shaanxi Province has been referred to as "Qin. "
