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No, like iStock, Shutterstock, and the big kahuna... Getty Images. Alamy is good. If you blog the news, you need AP images and Getty.

That's where professional photographers will have their images. The "CC0" images you see are virtually 100.00% amateurs. Nary a professional releases his images as free stock photos. So you are used to seeing the stuff that is pretty much restricted to amateurs, hobbyists, and the people who think they want to be a photographer some day and have all of the right equipment (or think they do).