canal everglades Florida horizon landscape landscapes nature park peligro reed reeds sawgrass south swamp tree trees warning water wet wetlands access-denied access-limited advice alert announcement appropriate-behavior appropriate-behaviour ban banned be-careful beware bicycles-prohibited bylaws communicating communication concern danger dangerous denied directions information informing law legal no-wheels not-allowed not-permitted pedestrian-care pedestrian-safety permission-denied prohibited prohibition prohibitions restricted restriction restrictions risk risks rules safety sign signs warning-sign watch watch-out aged ball button caution circle grunge grungy isolated light metal metalic ring round rust rustic rusty vintage yellow beach boat empty lake lonely pond sand sea shadow shore surf surfer surfing wave windsurfer bird England english funny Great Britain gull hazard humorous humour landing mooring perch pole post river background banner billboard blank board border borders frame message notice poster urban write writing attention graphic halt highway icon octagon prohibit red road roadsign shape stop street symbol traffic keep out log natural no tresspassing private private property priwate property sing tresspass trunk twig box dump dumping flying garbage litter no notebook notes paper papers rubbish sheets stationery trash waste bend bends cheat detector manoeuvre mince polygraph roadsigns tack trim turn turns twist