cloud crop England english evening farm fence field Great Britain green hills landscape rural sky slope South Downs steep summer Sussex trees view wheat woodland bushes cliffs coast coastline Cornish cornwall flowers gorse hillside inlet natural nature rocks sea shore spring Ulex water wild yellow boulder canada craggy distance distant far height high jasper mountain panorama peak range river rock Rockies Rocky Mountains rough summit valley algae chalk cliff erode erosion face kent low rockpool seaweed stone tide altitude austere bleak boulders cold freezing habitat harsh icy melting norway norwegian plants plateau resilient rugged snow white agriculture apple blossom cottage cultivate footpath grass home house idyllic orchard path track beach Birling Gap cream eroded remnants bare exposed mollusc mussel shellfish winkle