Cardamine Cruciferae cuckoo flower England flower Great Britain Lady's smock many mauve multitude natural nature profusion spring Sussex uk united kingdom wild anhydrite buried cave dark geology grown gypsum light Mineral mountains old reflections rock rocks solid stone subterranean subterraneous tourist attraction water Alpine Bistort arctic Bistorta vivipara flowers green Lofoten Islands meadow norway norwegian Persicaria Polygonum Rhinanthus minor summer white yellow yellow rattle architecture Chattri dais dome english Indian landmark marble memorial military monument pillars plinth remembrance South Downs war World ceiling roof autumn Danzig electric Emu forest Gdansk landscape multiple overhead lines pantograph passenger rail Self-powered self-propelling train unit vehicle vessel Afsluitdijk blue cloud dike embankment holland Ijsselmeer lake levee Netherlands rural sea sky tower Zuiderzee