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The Moscow subway system will now reward riders with a free trip in exchange for 30 squats
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Two years later, the scaffolding around the Washington Monument is ready to come down
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New York's marathon is the country's largest, and last year, it was cancelled
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From painting to stenciling to distressing, watch a sign come to life in this little video from the shop
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The acacia was the only tree for 250 miles in Niger's Sahara desert and was used as a landmark by travelers and caravans
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Inspiration for the idea traces back to the 212 BC legend about Archimedes' burning mirrors used to set Roman battle ships ablaze
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Do your best Felix Baumgartner impersonation with this balloon trip to the stratosphere
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While many other people have also managed to visit more than 190 countries, in Bown's book those visits don't count
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Residents, however, are not pleased and demand their landlines to be reinstated
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The ruins had been preserved for thousands of years, but now they're fading fast
Indian mathematicians were the first to treat zero as an equal
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Gases from heavy fertilizer use are threatening the ecological balance of America's natural parks
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For many, Chinatowns are an attraction to a city - and many cities boast about their robust cultural neighborhoods
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Last year, mainland Chinese became the top tourism spenders, dropping $102 billion in destinations around the world
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Shortly after the start of the Olympic torch relay, the flame was puffed out
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Made up of solely selfies, the gallery attempts to explore how people see themselves
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If and when Shanghai spills far enough into the countryside, Tianducheng and its neo-Classical apartments will be waiting
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Most architects want everybody to see their buildings. But in South Korea, designers are working to achieve exactly the opposite: an invisible skyscraper
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Follow in Darwin's footsteps, starting on San Cristobal Island and then venturing to Floreana Island and North Seymour Island
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We know where they are and what they say, but everything else is all hotly debated
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