chalky changeable clouds crop England english farm field Great Britain hedge hill landscape moody nature rural shadow sky slope Sussex varying woodland circular concrete deep drainage draining grille heavy hole lid maintenance metal run-off soak-well solid strength strong Underground water well work boulder cliff coastline cove forest fun holiday leisure mediterranean natural rock rugged Sardinia sea shore summer tourism tourist vacation autumn fall farmland hillside meadow North Downs oak pond Quercus Surrey tree view boulders cloud coast defend defensive Dorset Lyme Regis protect protective rocks stone wall ancient architecture black blue buildings cottage gray grey historical homes houses old road street terraced town white bridge Causeway estuary hills house iron link low Mawddach mountains pillars rail railway sandbanks tidal transport wales welsh