> Something I’d like to see more of is utility tunnels where all utilities are undergrounded in a single tunnel with with easy access. You've just described th

> Something I’d like to see more of is utility tunnels where all utilities are undergrounded in a single tunnel with with easy access. You've just described the Paris sewer system, where the sewage tunels also house fresh water, power, comms… https://lh3.googleusercontent.com/proxy/wRHK1kkKpNBXt4WWuCQWRcew5p-STfxcMVbExrl9ezq6jm-wB7rJDLLKVLKpx3yILlphCLG_-0RjX_4UTt6UWfk7K8mWIkKa0NBq0CFMZE_z https://lh3.googleusercontent.com/proxy/wRHK1kkKpNBXt4WWuCQW...