Great Wall at Badaling Great Wall is important juncture Juyongguan the outpost, where southern and northern two peaks, the highest point about 1,000 meters above sea level.

 
  • 八达岭长城是万里长城重要关口居庸关的前哨,这里有南,北两处高峰,最高点海拔约1000米。
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