3 ms·
Eventually, but given that we have yet to even build a submerged floating tunnel[0] it will be awhile. 0. https://en.wikipedia.org/wiki/Submerged_floating_tunn
by MiddleEndian 5y ago
Eventually, but given that we have yet to even build a submerged floating tunnel[0] it will be awhile.
0. https://en.wikipedia.org/wiki/Submerged_floating_tunnel https://en.wikipedia.org/wiki/Submerged_floating_tunnel
https://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Bridge_types.svg/2880px-Bridge_types.svg.png https://upload.wikimedia.org/wikipedia/commons/thumb/b/bb/Br... (tunnel #2 in this image)