Nordhavn tunnel map. from Vejdirektoratet (Danmark) report

source of this graphics: https://kommunikasjon.ntb.no/pressemelding/tilbydergruppen-nordland-forbinde-trekker-seg-fra-ops-prosjektet-e10-halogalandsvegen?publisherId=17847490&releaseId=17940014&lang=no

Mitma Granada Tunnel Renovations (graphics from Mitma release)

Implenia Brenner Northernmost tunnel from Implenia media release.

Ambito geográfico: Comunidad Valenciana via El Ministerio de Transportes, Movilidad y Agenda Urbana (Mitma)  

Posiva's spent nuclear fuel disposal. source: Posiva.

Acciona Helsinki seawater heat recovery tunnels (image Acciona press release: https://www.acciona.com/updates/news/acciona-enters-finland-worlds-third-longest-undersea-tunnel/?_adin=11551547647)

Iceland Vestmannaeyjar (screen shot from Apple Maps)

Implenia Stockholm Metro connecting tunnel BIM model (copyright Implenia media release)

Mitma . Modernización del túnel de Peña María de la A-1 (Mitma sala de prensa)