Season 02, Episode 05 – “World’s Longest Tunnel”
How did engineers move mountains to build the longest and deepest rail tunnel on the planet? Discover how 25 million tons of rock were moved to build this modern wonder.

Links: HOMEPAGE – TVRage

Impossible.Engineering.S02E05.Worlds.Longest.Tunnel.720p.HDTV.x264-DHD
MKV | AC3 CBR | 1.08GB
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