autumn England english Great Britain green houses London park peaceful Regent's Park space tranquil trees urban water city fall footpaths fountain paths sunlight banks languid nature reflection ripples river summer thames bluebells Dorset flowers fresh landscape natural panorama rural spring view wild catastrophe danger disaster fence field flood flooded lake overflow reflections Sussex cottages gardens historical homes old stone terraced tiles traditional wall wiltshire windows ancient architecture building elements facade glass Hampshire limestone oriel window grasses meadow pasture plants reserve valley vegetation