I've lived in downtown-DC long enough to have seen multiple incarnations of the area now known as City Center DC. First, it was the former convention center, which I saw being demolished back in 2004. Then it was a municipal parking lot, where Megabuses and Bolt Buses would load and unload passengers. It was the site of Cirque du Soleil, Kastles tennis matches and a Trapeze school. And then it was a construction site for a while... Today, it's a luxurious mixed use space, with more than 185,000 square feet of retail space situated on the ground floor of six buildings that include both rental apartment units and condominiums, as well as office space. Seattle-based Gustafson Guthrie Nichol, ...