ash background branches England english Fraxinus fresh Great Britain green leaf leaves natural nature spring Sussex texture tree beach canada coastline ocean pattern rill sand sea seawater shore streaming Vancouver Island water wave Cornish cornwall low mussels Mytilus rock rocky tide view Armeria maritima coastal flowers pink purple rocks thrift wild countryside gorse habitat heath heather heathland ling Ulex yellow Israel kinneret lake Lake of Gennesaret Lake Tiberias Sea of Galilee bark Castanea chestnut cracked fissured old rough trunk Aesculus carnea Hampshire Hippocastanaceae horse chestnut petals red altitude autumn color colour foliage high montane mountain patchwork plant Rockies Rocky Mountains