background block brick cement decay grey red rust space texture wall afternoon bow bowed color colored colorful colors colour coloured colourful colours contrast curved curves gray gray-sky grey-sky light rain rainbow raining reflection sign skies sky symbol symbolic weather winter bird birds feather feathers fly flying one pigeon pigeons plume black and white concrete floor rough square tile composite fungus grunge. lichen plants stone yellow abstract building house pattern roof tiles berlin button cobblestones green lamp lights stones street