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Message: <blockquote data-quote="NestorStura" data-source="post: 813107" data-attributes="member: 44507">From ancient times humans civilizations were able to use water for most of the life requirements. Also move it from a land to another one to water their sown fields far from the riverbed. In this case we see an old waterwheel, under the custody of the farmers, that takes water from the river running under the wheel, elevates it and drop it to channel in the top that will carry the water miles from there. It is amazing to see how ecologist our ancestors were before "inventing" the ecology. It does not use energy, it is moved by the same river flow and all the water that is spoiled by the sides, falls back into the river and follows its way...[ATTACH=full]398323[/ATTACH]Camera Nikon Z50</blockquote>