<prompt> Translate the following text to EnglishBaron Haussmann, mtaalamu wa ujenzi wa miji, aliharibu majengo yote ya karne ya 17 na ya karne ya 19 na kuacha tu Dauphine na Rue Chanoise, makazi ya zamani ya kanoni wa kanisa kuu, kama ishara ya maisha ya zamani ya kisiwa hicho.  <response>: Then, ruthless urban planner Baron Haussmann swept away almost all the medieval and 17th-century structures, leaving just place Dauphine and rue Chanoinesse ancient home of the cathedral canons as signs of the islands once rich residential life. 