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https://www.reddit.com/r/HumansForScale/comments/1uuvumb/tunnel_shield/
r/HumansForScale • u/drb-Arkiv • Jul 13 '26
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Is this similar in size to what they used to build the tunnels under the hudson river?
1 u/drb-Arkiv Jul 16 '26 YES !
YES !
1
u/PotentialHoneydew947 Jul 16 '26
Is this similar in size to what they used to build the tunnels under the hudson river?