You are looking at the HTML representation of the XML format.
HTML is good for debugging, but probably is not suitable for your application.
See complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query>
    <allimages>
      <img name="Banner.jpg" timestamp="2012-04-22T19:58:55Z" url="http://help.hypercities.com/images/b/b5/Banner.jpg" descriptionurl="http://help.hypercities.com/index.php/File:Banner.jpg" ns="6" title="File:Banner.jpg" />
      <img name="Chooseicon.jpg" timestamp="2013-07-15T12:39:43Z" url="http://help.hypercities.com/images/a/aa/Chooseicon.jpg" descriptionurl="http://help.hypercities.com/index.php/File:Chooseicon.jpg" ns="6" title="File:Chooseicon.jpg" />
      <img name="HC_Logo_black_txt.png" timestamp="2012-04-09T17:10:28Z" url="http://help.hypercities.com/images/f/f0/HC_Logo_black_txt.png" descriptionurl="http://help.hypercities.com/index.php/File:HC_Logo_black_txt.png" ns="6" title="File:HC Logo black txt.png" />
      <img name="HC_add_KML.jpg" timestamp="2012-04-09T18:27:51Z" url="http://help.hypercities.com/images/1/17/HC_add_KML.jpg" descriptionurl="http://help.hypercities.com/index.php/File:HC_add_KML.jpg" ns="6" title="File:HC add KML.jpg" />
      <img name="HC_upload_Image.jpg" timestamp="2012-03-27T23:21:00Z" url="http://help.hypercities.com/images/a/ac/HC_upload_Image.jpg" descriptionurl="http://help.hypercities.com/index.php/File:HC_upload_Image.jpg" ns="6" title="File:HC upload Image.jpg" />
      <img name="HC_upload_Image_edited.jpg" timestamp="2012-04-09T18:30:22Z" url="http://help.hypercities.com/images/b/b4/HC_upload_Image_edited.jpg" descriptionurl="http://help.hypercities.com/index.php/File:HC_upload_Image_edited.jpg" ns="6" title="File:HC upload Image edited.jpg" />
      <img name="Hide_marker.JPG" timestamp="2012-04-22T19:11:14Z" url="http://help.hypercities.com/images/0/03/Hide_marker.JPG" descriptionurl="http://help.hypercities.com/index.php/File:Hide_marker.JPG" ns="6" title="File:Hide marker.JPG" />
      <img name="Hypercities_Interface.jpg" timestamp="2012-03-19T19:32:41Z" url="http://help.hypercities.com/images/9/95/Hypercities_Interface.jpg" descriptionurl="http://help.hypercities.com/index.php/File:Hypercities_Interface.jpg" ns="6" title="File:Hypercities Interface.jpg" />
      <img name="Hypercities_importer.jpg" timestamp="2012-11-06T22:01:29Z" url="http://help.hypercities.com/images/2/2d/Hypercities_importer.jpg" descriptionurl="http://help.hypercities.com/index.php/File:Hypercities_importer.jpg" ns="6" title="File:Hypercities importer.jpg" />
      <img name="Iconprop.jpg" timestamp="2013-07-15T12:39:24Z" url="http://help.hypercities.com/images/d/d0/Iconprop.jpg" descriptionurl="http://help.hypercities.com/index.php/File:Iconprop.jpg" ns="6" title="File:Iconprop.jpg" />
    </allimages>
  </query>
  <query-continue>
    <allimages aifrom="Import media.jpg" />
  </query-continue>
</api>