civilext on Instagram: "A Railway That Defied Granite And Time—Watch How The Tehachapi Loop Became One Of The Boldest Feats Ever Built In 1876! Dive Into The Untold Story Of The Tehachapi Loop—Carved Through Solid Granite In 1876 By 3,000 Chinese Workers Armed With Nothing More Than Gunpowder And Shovels. This Iconic Spiral Track Still Stands As One Of The Greatest Railway Achievements In The World. 👉 Follow @civilext_ for more engineering marvels #engineering #civilengineering #railwayengineer

The Curious Core on Instagram: "The Tehachapi Loop is one of the greatest railway engineering achievements in the world. Completed in 1876, this iconic spiral track was carved through solid granite by more than 3,000 Chinese laborers using nothing more than gunpowder, picks, and shovels. Their incredible skill and endurance made it possible for trains to climb steep mountain grades—an innovation still in use nearly 150 years later. Today, the Tehachapi Loop stands as a testament to human ingenui