Added: 3 years ago
From: fastforwardworld
Views: 1,540
Sort by time | Sort by thread (beta)

Link to this comment:

Share to:

All Comments (1)

Sign In or Sign Up now to post a comment!
  • why is that thing moving back and forth?

  • @Davaia Think of it like a bulldozer. It's dragging a large plough blade across the harbour bottom to remove the silt that's built up and keep the water deep enough for ships.

Loading...
Alert icon
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more