Where was Michel Strogoff (1936) filmed?

1936 French film by Richard Eichberg and Jacques de Baroncelli

Michel Strogoff (1936) was filmed in Paris, Berlin and Johannisthal Air Field, 3 places named in its Wikipedia article, in France, Germany. 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.

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