The pump is simple as possible.It works like a bycycle pump, only automatic one. Upper handle is moving up-dpwn, pulling and pumping air through pipe underground. The air, while pumping out, is pumping water up through pipe but not directly on surface. It pumps it through another pipe into a water tank conected on irrigation system. There are two versions of this pump. Electric one and magnetic one.
Energy [R]evolution: A Watershed Moment in India