re.photos is a new website decided to helping people create and share then-and-now photos. The site helps you automatically align before-and-after photos to show how things have changed over time. Known as "rephotography," this is the act of taking a photo of a scene that has already been photographed some time ago.
The mere mention of image manipulation may make some photographers cringe, but there’s no denying that some skill with Photoshop can enable you to completely transform an image. In this 20 minute tutorial, Serge Ramelli walks through the process of manipulating a ‘boring’ image and turning it in to a dramatic one by transforming the lighting and sky in the scene.
Photographer Stefan Koppelkamm first photographed East Germany in 1990 after the fall of the Berlin Wall but before the reunification. He revisited the same locations a decade later, and rephotographed them from exactly the same viewpoints to document the drastic social and economic transformations that came about during the time between the photos.
Here's a clip from the bodybuilding documentary "Bigger Faster Stronger” in which photographer Rich Schaff spills the beans on some industry secrets for how those unbelievable before-and-after photos promoting bodybuilding products are made. He shows how both shots can be of the same model on the same day, with various tricks and image manipulations used to achieve the drastic differences you see.