From the moment Chris Lango laid eyes on it, he had to have it. The interior wasn't even built yet — just an empty shell in a rundown old building designed in 1924 to showcase motorcars. But he knew this loft on the alley would be everything he wanted in urban living -- creative, a bit rough, hidden away in the middle of the city. An exterior remodel, part of an adaptive reuse, was well underway. He was captured by the history of the building and the story of its architect. "I was blown away," said Lango, 45. "I've always liked unique living spaces. If you like city living, I guess living in an alley is the most urban. Certainly, the most gritty." Lango was living in an apartment over