edge of the river bank reinforced with giant stones as a breakwater against erosion of stone paving at the dock cobblestone promen

bank bicycle bike blue boulder breaker breakwater cement cobbled cobblestone concrete control cycling dock down edge embankment erosion flood fortification giant granite lake large path paving plain pond port promen promenade protection reflection reinforced river riverside safety side sky slow square stone stones stream street strenghtening sunny surface tiled tiles town upper urban water wave waves winter