I've read a bit about recent tunneling debacles (e.g. Bertha in Seattle) that make me wary. Given Chi's built environment and geology, how much confidence can we have that new tunnels are feasible?
I've read a bit about recent tunneling debacles (e.g. Bertha in Seattle) that make me wary. Given Chi's built environment and geology, how much confidence can we have that new tunnels are feasible?