[Le phare, Cannes, Riviera]. Photochrom print, 1880-1890.

Ansichten von Architektur, Denkmälern und anderen Stätten in Frankreich. Hochauflösende Photochromdrucke. Detroit Publishing Company.

The collection/dataset uses media from the world's largest public domain source Picryl.com. It is made in two steps - first manually picked, and then, found semi-automatically, with aid of image recognition, it comprises of more than 5,000 images. Everything in the collection is in the public domain, so there is no limitation on the dataset usage - educational, scientific, or commercial.