You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages aicontinue="Bangles.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="B9add70531519c256186579d20bc7cec509b4bd3.gif" timestamp="2011-08-16T14:14:40Z" url="https://marabuwiki.org/images/9/97/B9add70531519c256186579d20bc7cec509b4bd3.gif" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:B9add70531519c256186579d20bc7cec509b4bd3.gif" ns="6" title="படிமம்:B9add70531519c256186579d20bc7cec509b4bd3.gif" />
      <img name="BROWN_~1.JPG" timestamp="2011-10-26T15:42:03Z" url="https://marabuwiki.org/images/0/0d/BROWN_~1.JPG" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:BROWN_%7E1.JPG" ns="6" title="படிமம்:BROWN ~1.JPG" />
      <img name="Baarn_owl-3.jpg" timestamp="2011-01-07T12:30:28Z" url="https://marabuwiki.org/images/c/c5/Baarn_owl-3.jpg" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Baarn_owl-3.jpg" ns="6" title="படிமம்:Baarn owl-3.jpg" />
      <img name="Babler_or_seven_sisters.JPG" timestamp="2011-01-17T08:20:26Z" url="https://marabuwiki.org/images/5/56/Babler_or_seven_sisters.JPG" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Babler_or_seven_sisters.JPG" ns="6" title="படிமம்:Babler or seven sisters.JPG" />
      <img name="Babler_or_seven_sisters_eggs.JPG" timestamp="2011-01-17T08:20:07Z" url="https://marabuwiki.org/images/2/21/Babler_or_seven_sisters_eggs.JPG" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Babler_or_seven_sisters_eggs.JPG" ns="6" title="படிமம்:Babler or seven sisters eggs.JPG" />
      <img name="Baby_elep.jpg" timestamp="2010-11-17T06:08:54Z" url="https://marabuwiki.org/images/b/b6/Baby_elep.jpg" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Baby_elep.jpg" ns="6" title="படிமம்:Baby elep.jpg" />
      <img name="Baby_krishna_wb39.jpg" timestamp="2010-11-15T08:11:53Z" url="https://marabuwiki.org/images/d/de/Baby_krishna_wb39.jpg" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Baby_krishna_wb39.jpg" ns="6" title="படிமம்:Baby krishna wb39.jpg" />
      <img name="Badranmarabu.jpg" timestamp="2011-08-03T07:19:12Z" url="https://marabuwiki.org/images/8/89/Badranmarabu.jpg" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Badranmarabu.jpg" ns="6" title="படிமம்:Badranmarabu.jpg" />
      <img name="Badrinarayan.jpg" timestamp="2010-11-26T10:46:10Z" url="https://marabuwiki.org/images/3/3e/Badrinarayan.jpg" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Badrinarayan.jpg" ns="6" title="படிமம்:Badrinarayan.jpg" />
      <img name="Balaji.jpg" timestamp="2010-11-26T10:46:35Z" url="https://marabuwiki.org/images/b/b0/Balaji.jpg" descriptionurl="https://marabuwiki.org/index.php/%E0%AE%AA%E0%AE%9F%E0%AE%BF%E0%AE%AE%E0%AE%AE%E0%AF%8D:Balaji.jpg" ns="6" title="படிமம்:Balaji.jpg" />
    </allimages>
  </query>
</api>