Re: Re: What is wrong with this hillside? Favourite Spanish Property Insight › Forums › Spanish Property Forums › Real Estate Topics, News & Discussion › What is wrong with this hillside? › Re: Re: What is wrong with this hillside? May 25, 2010 at 11:43 am #98724 AnonymousParticipant There is nothing wrong with building and development per se. It’s the way it’s done that matters. Some hillsides have to be developed or we would have nowhere to live.