SEVERAL STATES HAVE RAISED THAT TO 21. TEXAS IS NOT AMONG THEM. WALGREENS NEW POLICY GOES INTO EFFECT ON SEPTEMBER 1. AFTER YEARS OF DECLINE FROM PAST DEVELOPERS, THIS IS THE FUTURE OF CALLING CREEK MALL. IT WOULD TURN THE AREA INTO A NEARLY $1 BILLION RETAIL AND RESIDENTIAL AREA. Reporter: YOU PROBABLY WOULD WANT TO SEE IT LEVELED BECAUSE IT IS MOSTLY VACANT, BUT IF YOU GREW UP COMING HERE LIKE I DID, YOU WOULD BE GLAD TO KNOW THAT PART OF CALLING CREEK MALL IS GOING TO BE SALVAGED AS IT GOES THROUGH A MAJOR TRANSFORMATION THIS SUMMER. COLLIN COUNTY MALL WAS WHERE YOU WENT AND MET YOUR FRIENDS. Reporter: THESE PHOTOS BRING BACK A LOT OF MEMORIES FOR PEOPLE LIKE SEAN WHO ARE LOOKING TO MAKE CALLING CREEK MALL A PLACE PEOPLE FLOCK TO. HE IS VP OF SECTARIAN CENTURY UN-AMERICAN. THE EXPRESSWAY HAS SEEN DOZENS OF STORES ABANDON IT. THAT DESIGN VISUALIZED IN THESE GRAPHICS SHOW A MODERN MALL DESIGN WITH OPEN SPACE FOR NATURAL LIGHT AND GREENERY TO GROW. THE PROJECT WOULD ALSO FEATURE A LARGE OUTDOOR PROMENADE AND HOUSING AND APARTMENTS. THE CITY COUNCIL HAS ALREADY APPROVED A NEEDED ZONING CHANGE FOR THAT. WE WANT TO KEEP THAT ALIVE, AND THAT IS WHY I THINK IT IS IMPORTANT TO KEEP SOME HEARTBEAT OF WHAT COLLIN COUNTY USED TO BE. Reporter: TAKING A LOOK AROUND TODAY, I FOUND THAT THERE ARE ONLY ABOUT A DOZEN SMALL BUSINESSES STILL HERE. THE MALL AS IT SITS NOW IS WORTH ABOUT $68 MILLION. BUT WHEN THEY FINISHED THIS