text: Start at the Place de l 'Etoile ( officially Place Charles-de-Gaulle , but nobody calls it that ) , preferably at the top of Napoleon 's gigantic Arc de Triomphe , from which you 'll get a good view of the 12-pointed star formed by the avenues radiating from the arch in a tour de force of geometric planning .
  
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  The avenues are very disparate , with little to no organization .