aging decay flaking layers old texture wall worn erosion wood acid background bronze effect metalic powder metallic verdigris boat rusty ship shore sinking age concentration lines movement perseverance root structure waves aged face girl grey hair Indian lady poor portrait poverty white woman wrinkle wrinkles ancient barn blue clouds flowers green growing ivy orange poppies poppy red shed sky summer endurable Galapagos tortoise giant tortoise heavy herbivore large leathery longevity plodder plodding reptile slow and steady tortoise tough wisdom wise