Even if you aren't interested in shopping, the rea...

Even if you aren't interested in shopping, the reason to go is first of all, there is an observation point on the top floor terrace where you can see Paris almost 240 degrees. It's nice to see everything from the Eiffel Tower to Sacrequere on the Montmartre hill. There is also an observation deck on the 3rd or 4th floor where you can see the ceiling dome.