The world's most dangerous tunnel in China

The truth is that if labor and dedication are true, humans can make any impossible work possible, a human made tunnel located in China's Guoliang is also the center of tourist focusing on the world Is done in the most dangerous tunnels.

The pillar tunnel government, which was taken out of the middle of Taihang mountains, did not make 13 local people living there under the help of you, so that people could make the food easier.

It is clear that before 1972, the township Shengzhou was a province of China, a vertical way that connects to Xian, Shinxiang and Hainan passes through 720 hills, which was quite difficult.

This is the reason why 13 local people had to build a tunnel to overcome travel problems.

1.2 tunnels long, this tunnel was made in a 5-year period, with 4 thousand hammer and 12 tons of steel bar used.

This tunnel was opened for traffic on 1 May 1977.

The tunnel walls are not smooth and it also has 30 natural 'windows' of different sizes and shapes, which can also be seen outside.

This tunnel is described as one of the world's most dangerous tunnels, to see local and foreign tourists turn to China in large numbers.