Tug boats pull a 90 meter long part of the underground tunnel underneath the railway bridge in Rotterdam to its destination. Then the tunnel part is sunk down and attached to the already constructed part.
You can contribute to the project reviweing and eventually correcting the automatically generated subtitles following this simple steps:
Click on Assign to me & Start button. A new tab will open on Matesub.
Signup for a Matesub free account and start reviewing the subtitles!
Correct all subtitles and confirm them with the appropriate button.
Once finished, close Matesub and mark the review as completed.
You can follow a video tutorial explaining the whole process here.
Netherlands Institute for Sound and Vision