Erlang Mountain Travel Guide in Ya'an, Sichuan - Longmen Gorge11 / 12Erlang Mountain Travel Guide in Ya'an, Sichuan - Trumpet River
Introduction to Erlang Mountain Tunnel: Erlang Mountain is the first natural barrier on the Sichuan-Tibet Highway. The Erlang Mountain Tunnel on the Sichuan-Tibet Highway has a total length of 4176 kilometers. It is known as the highest, deepest and longest tunnel in China. The new 318 National Highway passes here, shortening the dangerous winding mountain road by 25 kilometers.
Erlang Mountain Tour Guide in Ya'an, Sichuan - Erlang Mountain Tunnel
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