sluice on a side-arm of river scheldt in antwerp with industrial buildings of the harbor in the background

antwerp antwerpen areas art background banks buildings catch chain conditions control controlled dangerously even excess extreme flanders flood flooding flow gives graffiti harbor harbour high higher industrial industry infrastructure invests levees levels manner mirror natural overflow part plan port protects reflection reflections river rivers room scheldt sidearm sigma sigmaplan sluice street sturdier surface that their this tributaries tributary water weather which why