bridge bridging HDR line Nyberg path road sunrise way black butterfly engagement gold love marriage tie yellow celling chalk old pillar wall wallpainting white Birds flying birds in formation pelicans seabirds bue building concrete gray planks sky stripes wood colse-up germany grass Harz mountains rock summer aluminium floor lumber pattern rivet table texture cold snow spike teasel teazle thistle winter bottle chemistry distillation glassware laboratory retort