accumulations algae attached clinging coastline color colour covered ebb-and-flood ebb-and-flow filamentous green holdfasts layers levels light low-tide ocean pounding rocks rocky rough sea seashore seaside seaweed shadows shapes shore shoreline slimy slippery spray sticking stones stony stuck sunlight sunshine surf surge surging tidal tide tides velvety water waves wet angles architectural-elements Australian bush bush-park bushes bushland bushland-gardens colors colours evergreens flowers foliage gardens ground-cover handrails height high historic historical history native-plants old open ornamental park parkland paths peaceful plants public rails shade shrubbery stairs steps stonework strength strong sturdy textures tracks tranquil trees appearances arched arches architecture Australia building clock clock-face clock-tower Colonial convicts decorative distinctive elements exterior external historic-building iconic labor labour ornamentation perspectives Perth secure solid style surfaces time tower tower-clock town-hall Western-Australia background barrier barriers coastal cruise-liner cruise-ship curved curves deck deck-side decks edges Indian-ocean journey leisure leisurely-travel lines luxury onboard passengers railing railings safety security side surface texture tourism tourists transport transportation travel view views wallpaper active activities adventure adventure-playground children children’s-playground climbing climbing-platform equipment families fun kids lookout observation-platform path people perspective picnic playground playing quiet relaxing shaded shady sheltered viewing-platform visitors wood wooden