abstract aged aldabra-giant-tortoise aldabrachelys-gigantea appearance armor armored armorment armour armoured armourment brown carapace colors colours contours cover exterior giant-tortoise grooves hard hide horny-plates layers leathery lined lines longevity old outlines pointed points protection protective reptile reptilian shell shelter size skin solid strength strong texture textured textures tortoise tough zoo aerial aerial roots beach coast coastline dunes glistening glossy green greenery growing growth levels low tide mangrove growth mangroves natural ocean ocean edge ocean waterline pebbles plants receded receding receding tide rocks rocky root network Roots rough salt-resistant sand sand dunes scrub security support tidal tides water waterline accumulations algae attached clinging color colour covered ebb-and-flood ebb-and-flow filamentous holdfasts light low-tide pounding sea seashore seaside seaweed shadows shapes shore shoreline slimy slippery spray sticking stones stony stuck sunlight sunshine surf surge surging tide velvety waves wet angles architectural-elements Australian bush bush-park bushes bushland bushland-gardens evergreens flowers foliage gardens ground-cover handrails height high historic historical history native-plants open ornamental park parkland paths peaceful public rails shade shrubbery stairs steps stonework sturdy tracks tranquil trees background barrier barriers coastal cruise-liner cruise-ship curved curves deck deck-side decks edges Indian-ocean journey leisure leisurely-travel luxury onboard passengers perspectives railing railings safety secure side surface surfaces tourism tourists transport transportation travel view views wallpaper accommodation architecture balconies balcony buildings business city-scapes city-views commerce concrete contemporary contrast contrasting costly distance distant elements expensive external glass hazy heights high-rise linear modern multi-storey multi-story recessed rooftops Singapore skyscrapers towering towers walls wealth windows