Bouygues TP descrives the Tuen Mun-Chek Lap Kok Link tunnel as; The 5 kilometre-long Tuen Mun-Chek Lap Kok Link twin-tube tunnel will link the New Territories in the north to the artificial island of Hong Kog-Zhuhai-Macao Bridge Hong Kong Port,...

https://www.pbs.org/wgbh/nova/video/super-tunnel/

  https://www.youtube.com/watch?v=82FjTM3Rf1U Ten years ago the gigantic concrete ceiling panels of Sasagi road tunnel in Otsuki, Yamanashi Prefecture has collapsed. It was on 2 December 2012. The metal parts holding giant concrete...

Once upon a time. https://www.mylondon.news/news/nostalgia/gallery/brilliant-forgotten-london-underground-photos-25603008

In another group I wrote about this TBM and where it would be used. https://wiadomosci.gazeta.pl/wiadomosci/7,114883,29160810,rzeszow-szykuje-sie-na-transport-gigantycznej-maszyny-tbm-obnizy.html

It happened in the Schiphol tunnels close by the Amsterdam Schiphol Airport. There was smoke from the train engines. All passengers, about 250, evacuated per Rijmond...

Good words and photos on Brenner Base Tunnel from WeBuild information site. https://www.webuildvalue.com/en/fotonotizia/the-brenner-base-tunnel-underground-railway-tunnel

https://edition.cnn.com/travel/article/china-laos-semi-high-speed-train/index.html

Gotthard tunnellers have discovered valuable crystals during tunnelling. The rare find happened after an explosion. The crystals belong to the Switzerland's canton of Uri and are now...

  English. https://english.news.cn/20221001/be19a386cf744563b4fa54bac2356e40/c.html

Funny https://www.wired.com/story/how-far-would-you-have-to-tunnel-underground-to-lose-20-pounds/

I enjoyed reading this. Hope you will too. https://www.thomasnet.com/insights/unearthing-how-new-york-city-s-subway-tunnels-were-built-a-byte-out-of-the-big-apple/

construction site of the Doxong Pass tunnel exit on the highway linking Pad Township in the city of Nyingchi and Medog County, southwest China's Tibet Autonomous Region English...

https://www.rnz.co.nz/news/national/475978/mount-victoria-tunnel-in-wellington-reopens-after-crash

At UK's Science Museum. https://collection.sciencemuseumgroup.org.uk/objects/co409423/cutting-pick-from-robbins-markham-tunnel-boring-machine-used-in-channel-tunnel-works-uk-marine-running-tunnel-pick-tool

  In Amsterdam, between Hoofdorp and Schiphol, for hours the train traffic was interrupted after somebody entered the railway tunnel. This route is important for the passengers to Amsterdam's Schiphol airport. Meanwhile they've...

https://www.youtube.com/watch?v=IuJuGamUtNA

and wants to meet up for a coffee or so?  

https://www.youtube.com/watch?v=2Da-aSVlTmk This has apparently been released in June but, I have read it only today and it is still pretty interesting. Commissioning of Nant de Drance – an essential cog in the wheel for Swiss and...

The rail tunnel has suffered a roof collapse piling up tons of rock onto the rails. It will be closed at least until December. The Luxembourgish railroad company CFL is exploring the causes of the...