bolder growth moos mos moss mossa muschio musgo nature peat plant rock stone atlantic beach bolders coastline Ocean City Maryland ocean. spring rocks sand sea sunny water abstract background beginning boulders color colour cover covered creeper green greenery growing large mortar mound new-growth potential retaining-rocks rocky rough small sprouting surface texture textures vegetation wall active activities adventure adventure-playground barrier carved carvings children children’s-playground climbing constructed crawling dark entrance equipment exit families fun hiding kids leisure light lookout park playground playing safety shade shaded shadows shady shelter suburban sunlight sunshine trees tunnel uneven woodwork cubby hut fitted fitting limestone local-stone perspectives random randomly-coursed rugged secure security shaped shapes sharp solid stone-walled stones stonework strength strong surfaced surfaces variations variety angles backdrop cemented coated concrete erosion-prevention hill Rendered retaining-wall slope sloping walled well-built blue brown bushes granite grass gray lake Pine Forest sky