Graphic designer Paul Sahner has been taking pictures of New York's streets since he moved to the city nine years ago. He loves the feeling of capturing an ever-shifting urban landscape for posterity on his blog NYC Grid.
Inspired by the changing shops and street corners he saw while walking around, Sahner started a before-and after-series on NYC Grid. The photographer would match his own photos of New York City with old pictures from the Library of Congress or Flickr to showcase the transformation of the city's landmarks and streets.
Read more: http://www.businessinsider.com/nyc-grid-new-york-city-then-and-now-2014-4