Where was The Photographical Congress Arrives in Lyon filmed?
1895 film by Louis Lumière
The Photographical Congress Arrives in Lyon (1895) was filmed in Saône, Neuville-sur-Seine and Neuville-sur-Saône, 3 places named in its Wikipedia article, in France. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's article
The Wikipedia article names 3 places. Each links to the sentence that says so.

