<prompt> Translate the following text to EnglishMiongoni mwa vituo vya kuvutia zaidi ni pamoja na madimbwi ya ndani ya ukubwa wa Olimpiki katika Centre de Natation, 34 boulevard Carnot, na Forum des Halles.  <response>: The most serious action takes place at the Olympic-size indoor pools in the Centre de Natation, at 34 boulevard Carnot, and the Forum des Halles shopping complex. 