"Big-box buildings are the large, free-standing, warehouselike structures that have become dominant in the American landscape, constructed by one-stop-shopping retailers, grocers, and category-killers. Hundreds of new big-box buildings are built each year-and hundreds are vacated. In a healthy economy, retailers often leave behind one store to build an even bigger one nearby. In tough times, weaker chains are forced to close stores. Circuit City recently announced it will close 155 stores before the holiday season. What happens to big-box buildings when a retailer abandons them?"