【Ted-ED】世界上首個地鐵線路的建造 How The World's First Metro System Was Built

The video chronicles the birth and evolution of the world's first subway system in London. Starting with the skepticism surrounding the Metropolitan Railway in 1863, it explains the engineering transitions from \"cut and cover\" methods to deep-bore \"tubes,\" illustrating how this innovation solved urban congestion and paved the way for underground transit globally.