bank blue chalk cloud England english exercise farm Great Britain green hedge landscape lane nature old peace peaceful route rural sky South Downs summer Sussex track tranquil transport travel tree verge walk view cliff clouds coastline distance distant field footpath grass meadow national park natural path sea Seven Sisters trail beach emptiness empty esplanade gravel iron leisure loneliness lonely october out of season promenade railing seaside shingle shore slack vacant water boulder cliffs coast crumble crumbling danger dangerous disintegrate drop edge erode eroding erosion fall fallen rock sandstone seagull seagulls sheer shoreline unsafe wave white breakwater groynes stones stony tide wooden abundance abundant border ecology flora flowers habitat hill margin plants profusion rich umbellifer verdant wild yellow crop destination Downs fence golden grain hills wheat architecture art deco balusters balustrade cream De La Warr dome elements lamp light pavilions pillars