engineer team working in wind turbine farm. Renewable energy with wind generator by alternative energy concept. engineer team working in wind turbine farm. Renewable energy wit Sizes: 640 × 427 / 1.024 × 683 / 768 × 512 / 1.075 × 717 / 1.536 × 1.024 / 2.048 × 1.365 / 640 × 427 / 350 × 230 / 380 × 249 / 650 × 427 / 825 × 542 / 304 × 170 / 370 × 247 / 2.560 × 1.707
engineer team working in wind turbine farm. Renewable energy with wind generator by alternative energy concept.
