The £2.6bn motorway that was one of the world’s most ‘difficult to build’
The 149-mile long Yaxi Expressway has been described as one of the “most difficult” roads to build. (Image: 王晓东) This incredible road has been dubbed the “highway in the clouds” – thanks to the fact it rises around 7.5 metres per kilometre and its imposing . It has become one of best roads, connecting the … Read more