Alternative Photo Alternative FreePhoto Free Download ▾ 3456 x4608 2560 x 3413 1920 x 2560 1280 x 1707 800 x 1067 3456 x4608 2560 x 3413 1920 x 2560 1280 x 1707 800 x 1067 License: Free for personal and commercial use. Not for sale or redistribution. Appreciation not required but appreciated. Facebook Twitter Camera: COOLPIX P900 303/10 mm f/4.5 10/16000 s 200 ISO landscape farm energy sky technology wind environmental environment power production electricity invention turbine alternative propeller current wind energy generator wind turbine power supply renewable energy wind power rotor alternative energy sustainability windmills efficiency Colors: