Shelley Powers has written an article entitled
Cheap Eats at the Semantic Web Café,
which is all about tagging and labelling of information which is published on the web.
Whilst it's a quite detailed technical consideration, it's of interest here, since the article is illustrated,
both figuratively and literally, by "including photos from my [Shelley's] recent old mill photo shoot". As a few details in the
article mention, these are mills in Missouri, though it's ironic that in an article about including information is so short on
actual information about the photos it includes.