June 8 was our third day in Paris.  Deciding the attacks with hammers were finished, we went to Notre Dame cathedral and the nearby archeological crypt (after our usual cafe au lait and croissants breakfast, of course).  We elected to skip the long line to go to the top of the cathedral, but we did use our museum pass to bypass the line to see the inside (tip:  get the museum pass.  It saves lots of money and lots of time!), taking in the French Gothic architecture from…