The world's largest tunneling machine is in operation z90bn
Engineers are the one who keeps the world running.. Massive respect to them.I've heard before that the Swiss do tunnels better than anyone. I'm beginning to understand. Civil engineering doesn't get any more serious or impressive than this. Amazing work.This is an engineering masterpiece!!! So many moving parts and simultaneous operations working together in perfect harmony!Its hard to wrap your head around the full complexity of this amazing system.
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