Blue sky Photo by Public Domain Pictures Blue sky FreePhoto by Public Domain Pictures Free Download ▾ 3334 x5000 2560 x 3839 1920 x 2879 1280 x 1920 800 x 1200 3334 x5000 2560 x 3839 1920 x 2879 1280 x 1920 800 x 1200 License: Free for personal and commercial use. Not for sale or redistribution. Appreciation not required but appreciated. Facebook Twitter Camera: Canon EOS 5D Mark II 300/1 mm f/16.0 1/320 s 640 ISO sky technology clouds tower high outdoors industry satellite tall transmission blue sky signal Colors: