While the North in a narrow sense refers to the east from Liao He till the west of Inner Mongolia and Longxi, namely the "northern cultural region" called by the archaeologists.
狭义的北方，指辽宁省辽河以东至内蒙古西境及陇西，即考古界称的“以燕山南北长城地带为重心的北方文化区。”
In the Ordos Plateau in Inner Mongolia Autonomous Region on the west, there is a Mongolian Wei stand tall building of the palace, which is known, the tomb of Genghis Khan.
在内蒙古自治区西部的鄂尔多斯高原上，有一座巍巍然屹立着的蒙古包式建筑宫殿，这就是闻名遐迩，一代天骄成吉思汗的陵墓。
The seasonal changes of AOT are obviously in south Xinjiang Basin and middle-west region of Inner Mongolia, but not obviously in Sichuan Basin and the lower reaches of Yangzi river and Yellow river.
南疆盆地和内蒙古中东部地区AOT值随季节变化明显，而四川盆地、长江黄河下游地区AOT值没有明显的季节变化。
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