Dirt earth environment igneous metamorphic Mineral nature object rock science Sed Soil background bottom close field floor garden grass green plants texture weed animal brown cattle countryside cow cows farm farming landscape side sideview agriculture barrier gate oil seed rape path sky sunny yellow bank Cadover Bridge Devon England english flow Great Britain natural Plym river summer water wild bridleway footpath Leith Hill natural environment Natural landscape Surrey track trail view bracken heathland Pitch Hill trees woodland