abstract abstraction art arty background blue colour colours green red yellow bare trees branch landscape sky snow tree branch winter winter scene birds chimney cracks house old ruin smoke trees wall windows bushes fog island mountains rays rocks sea sun circle event gold golden holiday ornament pattern recreation star symmetry abstract design design glass psychedelic art visual arts decoration eye illustration iris metal organ silver stars botany flower lilac petal plant purple violet wildflower city cityscape computer wallpaper metropolis night space tree bird christmas christmas tree clouds holidays ornaments seasonal