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8 cities where cleanliness rules

Copenhagen, Singapore, Oslo, cleanest cities

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Some cities have a kind of gritty charm in their unkempt buildings, overused sidewalks and hazy air, things that contribute to a "big-city feel." Then there are those other cities, the ones where you can't help but be surprised by how clean everything is. Perhaps these places have benefited from environmentally conscious leadership, good urban planning, or strict littering laws. Perhaps cleanliness is just part of the local culture. Whatever the reason, these places prove that “urban” does not have to by synonymous with "dirty." (Text: Josh Lew)