text: To celebrate Bastille Day ( 14 July ) or the 1944 Liberation ( 25August ) , blue , white , and red laser beams are bounced off the Eiffel Tower , Arc de Triomphe , and Hotel de Ville .
  
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  In celebration of Bastille Day , red , white and blue laser beams are bounced off the Hotel de Ville , Arc de Triomphe and Eiffel Tower .