https://en.wikipedia.org/wiki/Gotthard_Base_Tunnel
On 11 September 2003, a worker from Austria was killed by being crushed by a toppling cable drum.
https://en.wikipedia.org/wiki/Gotthard_Base_Tunnel#Deaths_during_construction ,
https://www.srf.ch/sendungen/dok/albert-ginzinger-11-september-2003
https://en.wikipedia.org/wiki/Seikan_Tunnel , https://en.wikipedia.org/wiki/Seikan_Tunnel#Structure
https://en.wikipedia.org/wiki/Channel_Tunnel#Rolling_stock
The Telegraph gets exclusive Channel Tunnel access to see how evacuations are done and what it is like in the middle of the Channel where Britain and France meet.
https://www.youtube.com/watch?v=LAsCrHDaNMk 1:42 - 1974, 1881
The Channel Tunnel history
https://www.youtube.com/watch?v=r_HN26VVXAk 21m 11 men d
https://en.wikipedia.org/wiki/Bering_Strait_crossing#21st_century
