title: Flickr API for location based images
body: <p>I want to get images of cities when city name is entered in search field in iOS. I am using flickr API but whenever I enter any longitude and latitude values, I only get returned an empty array. What should I do. I am using this URL:</p>
  
  <p><a href="http://api.flickr.com/services/rest/?method=flickr.photos.geo.photosForLocation&amp;api_key=e3d577010e5979a2ad2a22714abd901e&amp;lat=40.6700&amp;lon=73.9400&amp;format=json&amp;nojsoncallback=1&amp;auth_token=72157638668602974-e1a3a3aa1e6d3dd8&amp;api_sig=a0233b016c863b1662aeb21a664c351a" rel="noreferrer">http://api.flickr.com/services/rest/?method=flickr.photos.geo.photosForLocation&amp;api_key=e3d577010e5979a2ad2a22714abd901e&amp;lat=40.6700&amp;lon=73.9400&amp;format=json&amp;nojsoncallback=1&amp;auth_token=72157638668602974-e1a3a3aa1e6d3dd8&amp;api_sig=a0233b016c863b1662aeb21a664c351a</a> </p>
  
  <p>Please tell me what should I do. any help appreciated</p>