I've seen a lot of complex traffic roads, this is amazing.Known as China's most cattle devil road.
The whole 6.8 km, there are 68 curves.
Vertical height of 500 meters, with an average slope of 7.88 degrees.
Do you dare to drive a car like this?
picture source：http://dy.163.com/v2/article/detail/CG1SMRA805248N0I.html