Aerial view of Grimsby Docks. Nos. 1 and 2 Fish Docks are in the foreground. Union Dock cutting separates the Royal Dock (right) from Alexandra Dock and the Old Dock. Lock Hill, the flyover and Dock Offices can be seen on the left. Part of the West Marsh housing estate is on the top left. Mud flats of the River Humber to the top right.