UTL is about exploring past, present and future urban technologies in science and fiction, etc...
https://metrovancouver.org/services/water/second-narrows-water-supply-tunnel
https://www.youtube.com/watch?v=cIwbBicnSzg
https://www.tunnelcanada.ca/members/documents/2022/papers/SES7LHY0J1K0U8CKS_SNWST_Design_and_Construction_of_a_Deep_TBM_Launch_Shaft_in_Coarse-Grained_Soils_-_Emslie_et_al_1.pdf
https://www.youtube.com/watch?v=mHw6eLNep00