MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY MAURO FERMARIELLO / SCIENCE PHOTO LIBRARY
Using a water pump. Smiling child using water pump to fill a water can. In undeveloped dry areas of the world, people have to walk long distances to get drinking water, or rely on pumps to bring water to the surface from deep underground. Photographed in a rural area of the Gulu region of Uganda.
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