alternative blade bl clean energy energy environment green energy sustainable technolo turbine wind windmill abstract architecture bl blue bright cottage house old pane rustic village vintage vivid window wood alone bare-branches bird black branches clouds dark evening fauna lone perched perching resting silhouette tall tree-tops upper advertising sign blank sign corporate sign free-standing sign highway sign monument sign pedestal sign pole sign post sign shopping center sign atmosphere changing cloudy color colour contrast darkening daylight fronds gray grey light palm-trees palms silhouettes skies sky sunlight sunshine textures trees weather abundance abundant active activity ants brown bugs Camouflage carrying crawling creatures critters dispersal dispersing eggs grains grainy ground insects movement moving nest rotten rotting rotting-wood spread spreading white above background bare budding buds contrasting deciduous empty large reaching-up skeletal spring stark straggly tips tree tree-top apocalyptic appearance breaking-through cloud dark clouds darkness disturbing dramatic dusk foreboding frightening lighting moody nature threatening wild