The Guoliang Tunnel is located in the Taihang Mountains in China's Henan Province, and was built to connect the isolated village of Guoliang to the rest of the world. Construction began in 1972 ...

Yet there is one tunnel in China that is no less remarkable than many of its modern equivalents. The Guoliang Tunnel was ... the Wangmang Mountain in Shanxi Province. The gorge offers a stunning ...