Impossible Engineering (2015)
S02E05 World's Longest Tunnel
Episode Overview
Title: The Epic Journey Beneath Plot: What challenges did engineers face in constructing the longest and deepest railway tunnel in the world? Uncover the incredible feat of relocating 25 million tons of rock to create the Gotthard Base Tunnel, a marvel of modern engineering. Join us as we explore the innovative techniques and determination that made this underground masterpiece possible.
HD
S02
