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Reuters Two-thirds of U.S. cities are less than 24 hours from Louisville by ground; and three-fourths can be reached within a 2-hour flight.
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Olympics 2012
Ghost Town on the Thames
Olympic visitors came for the sports, and stayed for the karaoke bar in the mall. Why aren't they visiting London?
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Photos
Reimagining an Entire Neighborhood Through Murals
Dutch muralists Haas and Hahn have teamed up to revitalize a blighted section of Philadelphia.
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Postcard
China's Dirty Water
A third of industrial waste water is released, without treatment, into rivers and lakes.
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Maps
The Geography of Bars and Restaurants
America's best cities for eating and drinking, according to Trulia.
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Urban Wonk
Inside the Surprisingly Lucrative World of Cardboard Theft
With the help of a rental truck, you too can cash in on the multimillion-dollar cardboard-rustling business.
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The Evolution of the Office Building
How shared work centers could reshape how and where we work.
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What Las Vegas Can Teach Us About America's Housing Market
The city was a case study for the financial collapse; a metaphor for its causes. Four years later, is it showing the way forward?
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Charts
How Technology Spreads, in 1 Chart
Mapping when some of our most popular technologies - like air conditioning and internet - reached 50 percent penetration.
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Videos
Why Urbanites Make the Best Use of Environmental Resources
The head of the environmental program at Bloomberg Philanthropies makes the case in this compelling video.
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Olympics 2012
3 Lessons Every Olympic City Should Take to Heart
Done right, the Olympics can increase a city's public spaces and public transportation use.
