i'm traveling into iran's farming heartland to meet geoscientist mattie m.d.s. ani she's investigating iran's groundwater crisis over the past fifty years iran has extracted seventy percent of its ground water supplies mainly to support farming the air itself western province of secure john which relies heavily on to stash farming is now running on empty but you have here this is the city up there john and you can see here the area which rules the substance so these are the groundwater depletion hotspots is that correct exactly what exactly is such that in . all her heart it's from courtroom. after shit effective as a compact and should we be worried right now about the groundwater levels in syria john yeah the author first rules there. to capture the water so we have runoff we have fraud and sinkholes kind of down there the role of the infrastructure so should we go find yourself and think the off course does it all collapse all at once or is it over time once i can oh really sinkholes unless of sidon there are indicators on the ground of a much deeper problem you know y