In this episode, we visit Guoliang Tunnel, also known as Guoliang Wall Road. It is also the earliest Wall Road in Taihang Mountains. known as "the Father of Taihang Tunnel".
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This video provides 3 external subtitles, click the "CC" button to turn it on:
1. English
2. Simplified Chinese
3. Traditional Chinese
Негізгі бет Guoliang Wall Road is honored as "the Father of the Taihang Tunnel", cuts across cliff | Eng Sub
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