After leaving the Louvre, we walked first to the old Opera Garnier (where we didn't go further than the entrance because there was a rehearsal and construction), and then via the Madeleine, Place de la Concorde, and then up the Champs Elysées.

Opéra Garnier
Concorde from Madeleine
Louis Vuitton store
La Defénce
Champs Elysées; Louvre
Grande Arche de la Défense
Nathan inside Arc de Triomphe
Moulin Rouge at Pigalle