text: The large modern shopping malls include the Forum des Halles , Centre Maine-Montparnasse , and the Palais des Congras at Porte Maillot .
  
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  Besides constituting the large modern shopping malls in the area , the Forum des Halles , Centre Maine-Montparnasse , and the Palais des Congras at Porte Maillot also serve as excellent tourist attractions .