eroding soil, subsoil and bedrock shown on sheer cliffs near uyea in northmavine, shetland, uk.

background bedrock blue cliff cliffs coast coastal coastline cross day earth environment eroding erosion formation geological geology grass ground horizontal islands landscape layer layers natural nature north northmavine outdoor parent people red rock scenic scotland sea section sheer shetland shown soil strata structure subsoil substratum summer sunny taken topsoil travel underground undersoil unsafe uyea view water