Recently the British Library uploaded over 1 million photos into the public domain via Flickr Commons. The images, according to the library, include “maps, geological diagrams, beautiful illustrations, comical satire, illuminated and decorative letters, colourful illustrations, landscapes, wall-paintings and so much more that even we are not aware of.” Each image has been tagged with information about its provenance but little else. The Library is hoping they can collaborate with others for ideas on how to classify, markup and organize the images. See them all here and read about the images on the Library blog here.
Here are a few examples
