David P. Henderson is a local photographer and purveyor of Atlanta's history, who has been posting now-and-then combined photos for years. He also runs a blog about Atlanta history called Return to Atlanta and has written extensively on the history of the Atlanta Airport at SunshineSkies.com. The Atlanta Stove Works bridge over Krog Street: The top photo is from November, 1997. The bottom photo was taken on Feb. 2, 2012. Credit: David P. Henderson. Used with permission. See more of his now-and-then photos on his Flickr account, and on his Return to Atlanta blog.