stone retaining walls of a water reservoir or river pond dock, fortified granite walls. at the dam with a sluice for discharging w

ancient artificial autumn barrier boards brown channel clad cold cover covered dam destruction devastation discharge discharging dock embankment emergency find fire fish flood floodgate fortified granite ice inaccessible landscape leaf pathology people pond pondicherry protect protection reach reservoir retaining retention rising river riverfront shipping shoreditch slope slowly sluice splash stone stream strong swimmer tank terraced wall walls water waterfront winter