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 art-glass background colored coloured decorative design detailed details distinctive frame framed frames geometric geometrical glass green interconnected interlinked light lighting lined lines metal metal-framework parallel patterned-glass patterns perspectives rectangle rectangles rectangular Segmented segments shade shadows shape shaped shapes style thick thin view wallpaper window bare bark bumps close-up colors colours cracked cracks cut-branches dry edge edges eyes grain gray grey grooves knots knotted layers lumber radial-lines ridges surface surfaced surfaces timber tree tree-trunk trunk uneven unusual variations varieties wood avocado-art colorful coloring colourful colouring core curved curves edged egg-shaped fiery golden kernel paint painted painting pear-shaped pink red seed surfacing vibrant yellow artistic artistry black color coloration colour contrast craftsmanship dark designed Designs lead reflected reflection reflections rippled stained-glass blue bright glassy symmetrical symmetry