Since winning the bid to host the 29th Summer Olympiad in 2001, Beijing has been obsessed with all sorts of construction and preparatory deadlines. A giant digital countdown clock in the heart of Beijing, just a stone's throw from the mausoleum holding Mao Zedong's body, is the perfect symbol for the frenzied pace of change in the Chinese capital city.  
 
 
 
   
 
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