activities boat buying cruise Halong Bay making money off shore tourist Vietnam vietnamese lady Africa bike boney dirty karro motorbike motorcycle Mud muddy off road scrambler tour touring trip alert Australian birds brown concentration doves observant power lines ready ready for take off watching wild wires blue defence defend defense deter deterrence keep metal point roof safe secure security sharp sky spike spikes vandal vandalism background color colour dingey dinghy frost jolly-boat off-season orange red sailing snow streaks sunny texture turquoise upside-down winter green purple turoise yellow ascent bicycle climb couple cycle cyclist grass hill horizon lycra mountain pair path spokes two wheel activity countryside Cross-country cycling destination direction energy England exercise February fence field goal Great Britain journey keep-fit landscape leisure mountainbike off-road ride snowy South Downs sport Sussex track travel asphalt barricade barrier benchmark border caution closed closing off cone cones course demarcation freeway guard light line mark marker marking move object race race track road racetrack reminder roadpylons roadsign safety sign signal speed street stripe symbol traffic utility warning