杭州湾跨海大桥杭州湾跨海大桥是世界上最长的跨海大桥,全长36公里。挂壁公路挂壁公路是在悬崖峭壁上开凿而出的,我国一共有六条挂壁公路,主要分布在太行山及晋东南。其中郭亮挂壁公路被称为“世界最险要十条公路之一”。终南山公路隧道秦岭终南山公路隧道单洞长18.02公里,双洞共长36.04公里,建设规模世界第一,需15分钟才能穿越。其中为缓解驾驶员 Hangzhou Bay Bridge Hangzhou Bay Bridge is the world’s longest bridge across the sea, a total length of 36 km. Wall-mounted Roads Wall-mounted roads are drilled out of cliffs. There are a total of six wall-mounted roads in our country, mainly in the Taihang Mountains and southeastern Shanxi. Which Guo Liang wall highway known as the “world’s most dangerous one of the ten highways.” Zhongnanshan highway tunnel Qinling Zhongnanshan highway tunnel length of 18.02 km long single hole, a total length of 36.04 km, the scale of construction in the world, takes 15 minutes to cross. Among them is to ease the driver