Jiayu Pass: It is known as “the Mighty Pass No One Under Heaven”Unlike Shanhai Pass in Hebei Province or Juyong Pass in Beijing along the Great Wall,it nestles against the Qilian Mountains and the Gobi Desert and is therefore imposing in its own salient feature.Erected on the Gobi Desert,its gate-tower looks all the more fobust and impregnable.Looking around on the Gate-tower,tourists find the Great wall snaking eastward toward the Bohai Bay and climbing westward up the Qilian Mountains like an “Overhanging Great wall ”,as the section of the wall is now popularly called.