Tunnel Québec-Lévis diameter (drawing from Le Réseau express de la Capitale (REC))

Tunnel Québec-Lévis profile (drawing from Le Réseau express de la Capitale (REC))

Metrolinx Toronto Yonge North Subway Extension (Metrolinx)

Metrolinks Toronto Scarborough metro extension (map Metrolinx)

photo is from NCC media release.

NCC and subcontractors gathered on the pile after the breakthrough, which was triggered at 13.15 local time photo is from NCC media release.

Faroe Islands Sandoy Tunnel My own work on Apple Maps

from Danish Ministry of Transportation media release: https://www.trm.dk/nyheder/2022/undersoegelse-af-2-km-lang-tunnel-i-aarhus-saettes-i-gang/

Deutschebahn New Railway Tunnel between Hamburg CS - Altona Deutschebahn press release

Webuild Brenner Base Tunnel projects - graphic by Webuild p. release