bend bollard bollards buildings car houses London parked street cruise-liner cruise-ship dock docked harbor harbour hawser loop looped loops marine-bollards moored mooring navigation outdoor outdoors outside port rope ropes secure security stability stable stationary strength strong tie tied tied-up transportation travel water access barrier barring denying denying access in the way metal metal bollards barring access no thoroughfare prevention protection reflections reflective shiny silvery boat carry dark Jetty marina outdoor-sports pier river rust blocker gatepost king-post pavement peg post stake chips concrete concrete bollards council garden edge edge of council public roadside garden pillars plants public roadside garden pyramid shaped pyramid topped roadside roadside garden shaped shapes wood wood chips border cutout highway isolated motorway rail red road stud take white braided lash lines moor ship tether granite hook iron mooring post stone attention building danger sign under construction warning