Are China's 22,000 Meter Tunnels the MOST Extreme Engineering Feats EVER?

Описание: How does China drill 22,000+ meter mountain tunnels through solid rock?
Step inside one of the world’s most extreme engineering achievements ever built
In this video, we explore how China builds ultra-long mountain tunnels using advanced tunnel boring machines (TBMs), precision drilling, and next-level infrastructure technology. From blasting through hard rock to managing ventilation, safety systems, and structural reinforcement, this is mega engineering at its most intense.
These massive tunnel construction projects are reshaping transportation, boosting high-speed rail networks, and connecting remote regions through some of the most challenging terrain on Earth. The scale, speed, and technology behind these 22KM+ mountain tunnels have stunned engineers worldwide.
If you’re interested in mega projects, tunnel construction, civil engineering, infrastructure development, or extreme construction technology, this documentary-style breakdown will give you a complete inside look.
Watch till the end to see the most impressive phase of the tunnel breakthrough — it’s unbelievable.
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What do you think — are these the most impressive mountain tunnels ever built?
Disclaimer:
This channel presents educational content created using AI-generated visuals and narration. The manufacturing processes depicted are digitally synthesized for learning purposes and are designed to illustrate real-world production concepts accurately.
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