It is famous as a natural barrier which devide China to north and south.
The road passing through the mountains is called Shu Roads and is known by its danger (see also https://en.wikipedia.org/wiki/Shu_Roads).
A famous poet in Tang Dynasity of China, Lie Bai, compose poetry this road as
"The daunting route into the region of Shuis more daunting than climbing the sky"(from http://www.jonche.com/Cms/Content/a1ac0 ... 9bfb5.aspx).
Nowadays, it is rumored that Chinese Army reserves most of their nuclear weapons in subway below the Mt. Taibei which is highest in the mountains.
Download here
* Airfields of each side of mountains are fictional because I can't find fitting ones in this area.
* This is texturized map, so it is working with only YS ver. 20150425 or later.
