What's being used as a parking lot is actually where Atlanta was born. The Gulch, once the railroad junction that gave the city its first official name “Terminus," later became a sunken gap that divided downtown as cars and highways changed how Atlantans commuted. Now, a $5 billion redevelopment called Centennial Yards is transforming the 50-acre site with apartments, retail, hotels and entertainment. The project hasn't been without controversy. Centennial Yards opted to pay Atlanta an in-lieu f