Forbordsfjellet tunnel breakthrough ceremony https://kommunikasjon.ntb.no/pressemelding/ordforere-sprengte-seg-gjennom-forbordsfjellet?publisherId=14424980&releaseId=17995655&lang=no

TERRATEC delivers the last two TBMs for Phase III of Delhi Metro https://www.terratec.co/NewsInfos/detail/8

Mapa situación túnel de Ortega Prados MITMA: https://www.mitma.gob.es/el-ministerio/sala-de-prensa/noticias/vie-25082023-1233

Mapa situación de los túneles de Casabermeja 1,2,3 y 4 MITMA: https://www.mitma.gob.es/el-ministerio/sala-de-prensa/noticias/vie-25082023-1233

Nurdagi Railway Tunnel Robbins TBM https://www.robbinstbm.com/bahce-nurdagi-breakthrough/

Gotthard Base Tunnel derailed wagon photograph of Swiss Federal Railway company SBB media release at https://news.sbb.ch/medien/artikel/124073/bahnverkehr-im-gotthard-basistunnel-unterbrochen

PORR Elbe Tunnel for SuedLink © TenneT TSO GmbH used for its inclusion in PORR press release. https://porr-group.com/en/press/press-release/news/porr-wins-major-contract-for-elbe-crossing-in-suedlink-project/

Freezing method used for excavation by Webuild at Brenner Base Tunnel Isarco River Underpass https://www.webuildgroup.com/en/media/press-notes/webuild-eisack-underpass-work-completed/

Webuild Brenner Base Tunnel Isarco River Underpass https://www.webuildgroup.com/en/media/press-notes/webuild-eisack-underpass-work-completed/

Silvertown tunnel segments https://www.bam.com/en/press/press-releases/2023/8/tunnelling-complete-at-silvertown