abstract appearance background brown colored coloring colors coloured colouring colours conglomerate contours contrast contrasts cracks fissures flaws grit gritty layered layers levels light lines natural rock rock-face rockface rocky rough rugged shade shadows shape shaped shapes stone strata stratum sunlight sunny sunshine surface surfaces texture textured textures veins wallpaper aerial-roots banyan banyan-tree clinging competing competitive constricting contrasting creeper distinctive external fig foliage greenery growing growth interconnected interlinked intertwined interwoven leaves power powerful root-system Roots spread spreading strangler-fig strangling strength strong tree trees tropical vegetation vine wood woody mica silicate