Great Wall of China at Mutianyu 24. Guard Tower Built mainly with granite, the wall is 7-8 meters high and the top is 4-5 meters wide. Compared with other sections of Great Wall, Mutianyu Great Wall possesses unique characteristics in its construction. ⇦ Back to Page 23 On to Page 25 ⇨Hi-Res Pic (168K) Return to Mutianyu Great Wall Page 3 |