Factual error: After Zidler tells Satine that she is dying, he is seen walking up a stairway past some sewing women. In an overview of the stairs, a stage light to the left has about a dozen or so frosted light bulbs in it. Frosted, tungsten light bulbs were not invented until the mid-to-late 1920s. Any electric light in 1900 would have had clear, carbon-filament bulbs. And no, those are not glass shades over the bulbs.
Factual error: According to the "Eyewitness Travel Guides: Paris" of 1993, the Moulin Rouge only started to be a dance saloon in the year of 1900. When Ewan McGregor arrives in Paris in 1899 the dance saloon is open.
Answer: The way I saw it, that was Toulouse in present day singing, after the death of Satine etc.
He's a funny little man who is lonely himself. All he has is his bottle when everything is all said and done. He has nobody.