abstract appearance background blue color colored colors colour coloured colours inside interior internal Rendered rendering rough surface surfaced surfaces surfacing tactile texture textured textures uneven wall wallpaper architectural barrier basic brick brick-wall bricks brickwork building building-material coloring colouring composite constructed exterior external fading firm linear lines mortar old partial partially-painted perspective secure security solid standard strength strong style symmetry varied various white angle cabin circle corner log log cabin nature pattern tree wood architecture colourful ochre pastel stone stones structure aligned appearances bright brown colored covered decorated decoration decorative feature horizontal light lined ornamental perspectives rows smooth walls 2013 3D bulbs christmas colorful decorations graphic New seasonal wall paper