The city has made a concerted effort to curb pollution, clean up and pedestrianize the streets, spiff up the museums, build a new airport and invest in one of Europe's better public-transit systems.
城市已经致努力去抑制污染,街道被打,划分行人区,洁博物馆,建个新的机场及投资建欧洲其中个较好的公共交通系统。