appropriate-behavior appropriate-behaviour black blue care communication danger dangers denied no-diving not-allowed not-permitted permission-denied prohibited prohibition red risk risks risky shallow sign signs swimmers swimming warning water wet white alert appropriate behavior appropriate behaviour concern dangerous directions law legalities not allowed not permitted permission denied protect protection rules safety vehicle warning sign circle communicating directing direction directional directive informing no parking parking reflective road sign street sign traffic traffic flow verge access denied denying access denying entry forbidden multi-lingual protected restricted restricted area secure security serious stop angled angles asphalt bitumen curb curbing gray grey lined lines marked message no-parking paint painted parallel parallel-lines parking-restrictions patterned patterns restrictions road-surface surface textures variations words yellow appreciated area cigarettes environment health health-risk no-smoking pollution symbols thanks unhealthy no right turn black and white canine control controlled denial dog dogs-prohibited exception lead leash pets chinese english no diving rain rain-drops cracked cracks discarded paper rubbish