Heituo Mountain in Morning Fog near the Great Wall at Jiankou (箭扣长城)

DannyXu, on May 24, 2008, said:

This is the 1534-metre Heituo Mountain as seen in the foggy morning of May 16, 2008 from an unreconstructed section of the Great Wall in Huairou County north of Beijing. A very vague, thin line on the left side of the mountain is also part of the Great Wall.