bird boulder chalk chalk cliff coastal coastline crumble crumbling crumbling cliff crumbling coast danger disintegrate disintegrating Disintegration erode eroding erosion fall gull insecure nature rock sea seabird seagull shore shoreline unsafe wave ancient christian church churchyard death decaying England english grave gravestone Great Britain historical lichens mortality old religion Sussex bay cliff coast dangerous face hazard hazardous high landscape sheer south summer white cliffs drop edge fallen sandstone seagulls folly foolhardiness foolhardy foolish foolishness risk risky silly stupid stupidity tourism tourist background colours graphic leaves paper asphalt brick broken cracked damaged pavement road street concrete facade stone wall berries berry confectionery dessert desserts strawberries strawberry sweet sweets apple crumble cuisine dish food pastry plate tart treat bane building decaden decadence decay downgrading home house household ruin to crumble