a cure. the law aims to protect around two million people who come from poor e.u. countries to work in wealthier ones in germany alone that's around four hundred thousand people with the majority coming from poland but not everyone's in favor of the new rules criticism has come from german employers among others who say they're concerned they won't be able to afford hiring workers all right hi take doesn't prevent sholto water shortage that was what i want exactly i mean this is really fundamental problem right that you know we have to come up with maybe a really basic solution for in fact because the indian city of bangalore has grown into a massive global tech hub as monica just told us but it success story has not come without problems many now worry that the sprawling city could soon run out of water some are looking to india's pre-industrial past for solutions correspondent. and sonia funny car of the support. bangalore india's silicon valley. high flying i.t.