https://www.youtube.com/watch?v=1BLcuJiY3hA
Construction underway for Europe’s record-breaking tunnel
https://www.youtube.com/watch?v=1BLcuJiY3hA
Take a look at the groundbreaking tunnel project that will soon connect Denmark and Germany under the Baltic Sea. This record-breaking structure is set to be the longest immersed tunnel in the world.
https://www.youtube.com/watch?v=1BLcuJiY3hA
from CNN
https://www.youtube.com/watch?v=1BLcuJiY3hA