New York Times: Troy Lancaster lives in exile. In the Bronx. His relatives won’t visit him, he says, because like a lot of folks with roots in the South, they are not keen on concrete, noise and narrow streets. He felt the same way in the 1980s when he moved to a stretch of Grant Avenue that had been reduced to an open-air drug market along a weed-choked street. His relatives do not know what they are missing. Today, Mr. Lancaster spends his time tending to trees and plants that line shaded, winding paths inside…