Have the cities' red-light districts turned green?

The sanitisation of Times Square provided a model for anti-sleaze forces around the world. But did this urban colonic take the red meat out of Manhattan? And are other global cities trying a different course of treatment?

To accompany the magazine's in-depth feature which includes Edward Helmore's report on Manhattan's transformation (pictured above) from the gritty, crime-ridden metropolis of the 1970s and 1980s to its more recent incarnation as global monument to excess wealth, wallpaper.com take 10 global cities and explore their efforts to clean up their streets.

Click through our gallery to see and read about how a number of major cities, including Amsterdam, Singapore, Paris, Hamburg, Bangkok, London, Sydney, Berlin and Shanghai have made similar efforts to 'clean up' their streets

11 June 2009 | Travel