beach board boardwalk coast coastline dawn guard HDR life lifeguard mole Nyberg pier safety security shore sun sunraise tower watch beware car concrete mixer danger drive Ready Mix truck road sign street traffic travel truck vehicle warning yellow auk beak bird burrow Fratercula arctica Great Britain home natural nature Pembrokeshire puffin Skomer Island united kingdom wales welsh wings aerial-work-platform articulating-boom-lift basket-crane boom-lift cage cherry-picker compact dangerous elevated-work-platform extension Harness height high hydraladder hydraulic-lifting-system hydraulic-platform hydraulics lift maintenance man-lift manoeuvrable men men-at-work mobile-hydraulic-platform nifty-lifter railing rails raised-platform roof roof-work roofing safety-harness self-propelled tall up-high work workmen angles birds campground climbing-footholds clouds floodlight light lighting perch perching pole powerful raised sky spotlight strong battlement blue castle Cawdor defence flag flagpole garden gardens stone stonework thane window Austria bank bank sign banking business carved letter lettering profit safe secure street sign wall wall sign