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.

城市已经一去抑制污染，街道被打扫干净，划分了行人区，整洁了博馆，建设了一个新机场及投资建设欧洲其中一个较共交通系统。