angles appearance architectural architecture building clouds lookout lookout-tower observation observation-tower rocks rocky round sea sea-wall seaside security sepia sky tower balcony black and white greyscale hand-rails shelter structure access grass headland Look reserve stairs viewing walking beach dangers hut lifeguard lifeguard-towers lifeguards look-out observe ocean prevent-drownings prevention protect protection safety scan scanning seashore shark-spotting structures supervise supervision swimmers swimming volunteers watch Australia coast coastal scenery view alps cable car glacier mountains station sunset technic birds daw panorama