architecture building cobblestone England english farmhouse flint Great Britain historical home house old roof South Downs stone Sussex tiles traditional wall ancient Buckinghamshire christian church doorway entrance religion rural tower windows peace religious window arch door little postern small wooden background Birling Gap chalk cliff coast cracked cream evening flints natural nature rock texture white buttress checkered chequered elements bell cross boards crest curved hinges norfolk turret churchyard Gravestones graveyard memorial