close-up view of a snail shell on a rock with an out-of-focus natural background

discovery people spiral color close-up mollusk animal themes nature outdoors snail day environment gastropod plant selective focus shell wildlife horizontal invertebrate beauty brown animals wild geometry growth land perfection protection slow vertical crawling indonesia lying paranormal star shape empty social issues built structure circle foreground house old slimy slug small ancient garden residential building white view rock out- -focus natural background