Anhalt architecture cathedral christianity church germany gothic historical history Merseburg religion renaissance romanseque Saxony cascade down gill Harz mountains moss river speed splash stone torrent water waterfall wet Abbey Harz historic monastery romanesque Thale tower Wendhusen abstract background Belgium black circles colored hypnotic lolly red round spiral swirl wallpaper yellow apples bavaria blue sky forest apple green landscape Malus sylvestris sunset wild apple trees botany branch Chinese magnolia flower frankfurt kronberg nature petal pink plant tree woody plant berlin bush bushes courtyard decoration decorative drive entrance gate gateway grunewald path pavement