These changes may look pleasant, but not quite so to Derek Hyra, an associate professor at the American University School of Public Affairs and an expert on neighborhood changeChen Weihua/China DailyHaving lived in Washington买球赛的软件 DC for almost five years, I have seen the city growing, with new construction and renovation projects happening in many streets and neighborhoodsHyra described how the "dark ghetto" has been turned into a "gilded ghetto"To Hyra, it has caused not just residential displacement for African Americans but also political and cultural displacementHis book this year, Race, C买球赛的软件lass, and Politics in the Cappuccino City, is the result of his many years of field research on the issuesWhites are the majority now, accounting for 55 percent of the community