Posted 5/29/2016 06:04 (#5326087 - in reply to #5326071) Subject: RE: when the big boys play at the beach
Germany
it's the Schelde river estuary but with a tidal rise of over 3m (10 ft) there is a massive flow of seawater from the open north sea. These machines are working 24/7 and then are hauled in for maintenance I guess.