4 ms·
Not far out at all. The list of the world’s longest tunnels[1] is filled with water tunnels. Added: They are of course short whem compared to pipelines, but st
by eCa 5y ago
Not far out at all. The list of the world’s longest tunnels[1] is filled with water tunnels.
Added: They are of course short whem compared to pipelines, but still.
[1] https://en.wikipedia.org/wiki/List_of_longest_tunnels https://en.wikipedia.org/wiki/List_of_longest_tunnels