trace of ichnites of theropod.

rock geology soil wall stonewall boulder asphalt bedrock flooring terrain ruins badlands formation floor brick wadi grave trace ichnites theropod site dinosaur footprints aportillo munilla abstract aged ancient animal background big biology black bone design enciso evolution extinct extinction foot footprint footstep fossil gray ichnite impression jurassic material model museum nature old paleontology park past pattern prehistoric print relic remains reptile rough science stone surface texture textured thailand track white