At the conclusion of WWII Detroit , Michigan claimed than 2.1 million citizens, today there are less than 700,000. Thousands of single-family houses have disappeared from the landscape--some city blocks have less than three houses standing— a sobering, mostly greenscape landscape. Join Kelly Kavanaugh, urban activist and owner of Wheelhouse Detroit Bikeshop as she talks about reinventing Detroit and some of the obstacles created by an infusion of investors from across the country.