<p>Black-and-white photography is "trending." If you can remember when that was the only kind of photography there was well howdy ol' timer, welcome to the Internet. For the rest of you, it was captured on "film" and you took the exposed roll of "film" to a local pharmacy, where they sent it off to be "developed" and "printed."</p><p>(You might find examples of early 20th-century, black-and-white photos in the chest your great-grandmother left you.)</p><p>Carlos Alexandre Carollo made this retro image of the London Eye, slowly turning, in a 30-second digital capture. He then converted it to black and white with a computer program, discarding 16 million shades of color.</p><p>Do you have your own compelling travel photos to share? Join the Yahoo! Travel Flickr group, or look us up on Facebook, Twitter, Google+, and Pinterest. You can also download the Flickr app.</p><p><a href="http://travel.yahoo.com/blogs/compass/flickr-photo-day-old-again-220459907.html">Keep reading...</a></p>