Ever wonder how they manipulated photos using film, photo paper, and the darkroom before digital photography and Photoshop? Don't think too hard—it was an arduous task involving manual cutting and pasting. Regardless, it's impressive to see how well they edited images, even if they often appear creepy and bizarre. So when you really think of it, headless portraits like these are as much of an art as the original photographs themselves.

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[via Petapixel]