I assume that all featured content has been published under public domain.
Some content is reblogged, meaning if something should be removed please
go for the source, displayed on each permalink page. Other content,
collected from different public sources, is considered to be in public
domain. This content is the property of the respective owner and is
properly sourced. When the need arises, please use the submit page
or write an e-mail to ‘content’ at ‘tumbl.re’ to have your content properly
credited or removed from the page.