access-denied access-limited advice alert appropriate-behavior appropriate-behaviour barrier behave behavior behaviour black caution cautious communicate communication denied directions entry-denied entry-prohibited keep-out no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition red restricted restriction restrictions safety sign warning avoid care concern danger dangerous eroded erosion hillside protect protection risk risks risky rules signs Soil subsidence warning-sign weathered white advising arrows communicating denial directive information informing message no-parking no-vehicles parking-prohibited private private-property signage text unacceptable wording words awareness birds inform park please polite prohibitions protecting public-park water-birds water-fowl weathering wildlife canine clean clean-up cleanliness control controlled dog doggy-do dogs-prohibited droppings exception excrement excreta hygiene lead leash mess messy pets pickup poo prepared regulations responsible sanitation waste area attention banned blue boundaries boundary cigarettes direction distance distinctive entrance environment health health-risk limits location no-smoking painted pollution shopping-center shopping-centre symbol unhealthy careful ducks fatal feed feeding food no-bread watrer-fowl penalties penalty thick thin circles disapproval disapproved messages pictograms public symbols brown damaged keep-off limited-access rough scratches scrathed trespass trespassing unauthorised unauthorized