美国铁路奇观：特哈查皮环路 🛤️

观看超过一英里长的火车真正地穿越自己！这段无人机航拍镜头由 Phantom 4 Pro 拍摄，展示了加州传奇的特哈查皮环路 — 铁路工程的杰作。

通过环形轨道，铁路保持稳定的 2% 坡度，使这些大量货物能够毫不费力地爬出谷底。

Tehachapi Loop like you've never seen it before! 🛤️

Watch as trains over a mile long literally cross over themselves! Captured on the Phantom 4 Pro, this aerial drone footage showcases California's legendary Tehachapi Loop—a masterpiece of railway engineering.

By looping the tracks, the railway maintains a steady 2% grade, allowing these massive freights to effortlessly climb out of the valley floor.

Video: Iron Giants http://t.cn/AXKQp9RP