You take the metro in Pére Lachaise, that goes from Gallieni to Pont de Levallois.
Stop 4 stops further on to Arts et Métiers in line with Mairie des Lilas to Châtelet.
Then 2 stops furher go to the Hôtel de Ville and take the subway on the way from Château de Vincennes to La Défense and get the second stop on Louvre Rivolti out.
Stop 4 stops further on to Arts et Métiers in line with Mairie des Lilas to Châtelet.
Then 2 stops furher go to the Hôtel de Ville and take the subway on the way from Château de Vincennes to La Défense and get the second stop on Louvre Rivolti out.