single tree near to a lake and lot of grass aroud and beautiful clouds in background in national park of serengeti tanzania - africa 個照片及圖片檔
black man, engineer or solar energy management in electricity sustainability, solar panels or sun grid plant. worker, employee or technician on renewable energy farm, biodegradable environment or eco - africa 個照片及圖片檔
south africa, cape town, langa, group portrait of girls and women with children (2-4) jumping - africa 個照片及圖片檔
laptop, farm and engineer team together at night for renewable energy, power and wind turbine. electrician or technician man and woman in nature for electricity, eco and green environment maintenance - africa 個照片及圖片檔
