ancient conservation dinosaurs display displayed evidence feet flip-flops footprints fossils geological geology historic impressed impression impressions imprinted large prehistoric Prehistory Preserved record rock rocks sandals stone thongs toenails toes tourism tourists tracks activity animals beach colors colours dogs grainy imprints indented light patterns paw-prints sand shadow textures boot-prints boots Soil work workplace tire-tracks tyre-tracks cast cretaceous-period dinosaur dinosaur-tracks embedded footprint hard imprint mark palaeontology paw paw-print sharp solid park pedestrians vehicle-tracks vehicles walkers claws clear distinct dog marked shadows surface surfaces abstract appearance backdrop background decorative design details distinctive embossed floral-patterns flowers flowery gray grey outlined outlines patterned raised soft surfaced surfacing tactile texture textured thin touch blended color colour contrast contrasting foil interconnected interlaced interlinked interwoven lined lines linked links merging metallic perspectives rosettes shape shaped shapes silver silvery style wallpaper