background batten board gnarl grain knag knur pattern plank selvage slat texture vein wood wooden branching brittle brown connected dead dried leaves lines patterns textures veins drought dry Mud puddle sand tile wallpaper water city grunge grungy metal old rust rusty urban urban decay wall abstract angles artistic backdrop blended bright circles circular color colored colors colour coloured colours corners decorative design details geometric geometrical interconnected intermeshed interwoven kaleidoscopic patterns light mandala perspectives pointed points radiating rays rounded shape shaped shapes style vibrant exposed hard knots tough weathered Wooden plank