abstract age aged appearance armor armored armorment armour armoured armourment astrochelys-radiata carapace critically-endangered eating endangered feeding giant-tortoise herbivore hide large-tortoise leathery longevity Madagascar old pattern patterned plod plodding protection protective radiated-tortoise reptile reptilian rough scaly shell size skin slow strength strong texture textured textures tortoise tough zoo architectural background barrier basic brick brick-wall bricks brickwork building building-material colored coloring colors coloured colouring colours composite constructed exterior external fading firm linear lines mortar partial partially-painted perspective secure security solid standard style surface surfaces symmetry uneven varied various wall white blue angles boards bollards cool dark darkened decking environment environmental gray grey hand-rails Jetty light lined marine-bollards pier posts railing ripples rippling river riverside shade shadows shady sunlight sunshine support vibrant view water water's-edge weathered wood wooden worn bare bark bumps close-up cracked cracks cut-branches dry edge edges eyes grain grooves knots knotted layers lumber patterns perspectives radial-lines ridges shape shaped shapes surfaced timber tree tree-trunk trunk unusual variations varieties architecture backdrop broken brown construction contrast cover covering crushed decoration grains granular gravel grit gritty grunge grungy masonry material mica Mineral natural nature orange pebble pebbles plaster quartz render Rendered rendering rock sand sandstone stone structure wallpaper autumn branches coated cones conifer conifers covered damp extensive fall foliage green large lichen lichen covered moist pine pine cones pine needles pine tree spreading tangled tree top turned twisted windswept