title: how to get description of a user's tagged photos on Facebook using graph API?
body: <p>"/photos" gives creator,tags,comments,likes etc but not description of the photo. How to get description of a particular photo.</p>
  
  <p>Regarding why I need this?
  I want to identify photos which are uploaded by other applications. If there's some other way to know this please let me know. Right now I am going by indicators like there would be a link  in such description,more number of users are likely to be tagged etc!!</p>