pedestrianize

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.

城市已经一致努力去抑制污染，街道被打扫干净，行人区，整洁博馆，建设一个新及投资建设欧洲其中一个较好公共交通系统。