background Cornish cornwall cracked England english eroded geology gray Great Britain grey lines natural nature rock sedimentary texture worn yellow autumn color colors colour colours fall grunge grungy leaf leaves organic plant rustic season seasonal seasons simple arid Australia blue clouds country diminishing distance distant environment environmental erosion freshwater ground ground-water lake lake-side land landscape limited natural-environment natural-landscape outback patterns receding rural sand shrinking sky Soil surface surfaces textured textures trees vegetation water water-resources wetland reflections backdrop clove clover clovers cloves field grass green growth hues lawn shades summer abstract black cement close closeups concrete detail group hard loose material materials Mineral old outdoor pattern pebble rough shale shapes stone wallpaper white backgrounds blank brown cardboard crude package packing paper raw Textured Effect ancient botanic botany cone cycad Cycadophyta cycads prehistoric segment segments tree