There is no comparison to the Sichuan-Tibet HSR, lol. You Indians always try to belittle achievements in China and have such uncommon retarded mentality. That's why you country likely be a shithole forever because you people won't accept reality, lol.
Most difficult railway to be build or built ?
Top Contenders for the Most Difficult Railways
Qinghai–Tibet Railway (China): Known as the "Roof of the World," it reaches 5,072 meters at the Tangula Pass. Builders faced severe low oxygen, extreme cold, and 500 kilometers of unstable permafrost that required cooling pipes and elevated bridges. [
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- Sichuan–Xizang / Dali–Ruili Railway (China): Modern projects cutting through the Hengduan Mountains and Gaoligong Mountains. They require dozens of deep tunnels through intense tectonic fault lines, massive underground water flows, and extreme elevation drops. [1, 2, 3]
- The Devil’s Nose Railway (Ecuador): Built in 1902 on a near-vertical cliff face 9,000 feet above sea level. Workers engineered a daring series of tight switchbacks to conquer the sheer drop. [1]
- The Canadian Pacific Railway (Canada): Historic 19th-century transcontinental line. Crews faced brutal Canadian winters, massive granite rock blasting through the Rocky
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