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="Flag_of_Brazil_(WFB_2004).gif" />
  </query-continue>
  <query>
    <allimages>
      <img name="COL-city_icon.png" timestamp="2015-02-16T17:10:48Z" url="http://yidtravel.com/mw/images/b/b5/COL-city_icon.png" descriptionurl="http://yidtravel.com/mw/index.php/File:COL-city_icon.png" ns="6" title="File:COL-city icon.png" />
      <img name="COL-city_icon_(2).png" timestamp="2015-02-16T17:35:47Z" url="http://yidtravel.com/mw/images/9/96/COL-city_icon_%282%29.png" descriptionurl="http://yidtravel.com/mw/index.php/File:COL-city_icon_(2).png" ns="6" title="File:COL-city icon (2).png" />
      <img name="COL-city_icon_(2)edited.png" timestamp="2015-02-18T21:25:47Z" url="http://yidtravel.com/mw/images/3/3f/COL-city_icon_%282%29edited.png" descriptionurl="http://yidtravel.com/mw/index.php/File:COL-city_icon_(2)edited.png" ns="6" title="File:COL-city icon (2)edited.png" />
      <img name="Canada_flag.png" timestamp="2014-07-30T00:34:04Z" url="http://yidtravel.com/mw/images/3/32/Canada_flag.png" descriptionurl="http://yidtravel.com/mw/index.php/File:Canada_flag.png" ns="6" title="File:Canada flag.png" />
      <img name="Country_sighs.jpg" timestamp="2015-02-16T17:42:00Z" url="http://yidtravel.com/mw/images/8/85/Country_sighs.jpg" descriptionurl="http://yidtravel.com/mw/index.php/File:Country_sighs.jpg" ns="6" title="File:Country sighs.jpg" />
      <img name="Flag_of_Australia_(WFB_2004).gif" timestamp="2014-10-22T02:44:37Z" url="http://yidtravel.com/mw/images/7/71/Flag_of_Australia_%28WFB_2004%29.gif" descriptionurl="http://yidtravel.com/mw/index.php/File:Flag_of_Australia_(WFB_2004).gif" ns="6" title="File:Flag of Australia (WFB 2004).gif" />
      <img name="Flag_of_Australia_(converted).svg.png" timestamp="2014-10-21T15:29:52Z" url="http://yidtravel.com/mw/images/e/ef/Flag_of_Australia_%28converted%29.svg.png" descriptionurl="http://yidtravel.com/mw/index.php/File:Flag_of_Australia_(converted).svg.png" ns="6" title="File:Flag of Australia (converted).svg.png" />
      <img name="Flag_of_Austria.png" timestamp="2014-10-22T05:00:28Z" url="http://yidtravel.com/mw/images/7/76/Flag_of_Austria.png" descriptionurl="http://yidtravel.com/mw/index.php/File:Flag_of_Austria.png" ns="6" title="File:Flag of Austria.png" />
      <img name="Flag_of_Belarus.png" timestamp="2014-07-29T16:34:02Z" url="http://yidtravel.com/mw/images/7/78/Flag_of_Belarus.png" descriptionurl="http://yidtravel.com/mw/index.php/File:Flag_of_Belarus.png" ns="6" title="File:Flag of Belarus.png" />
      <img name="Flag_of_Belgium_(WFB_2004).gif" timestamp="2015-02-26T23:59:36Z" url="http://yidtravel.com/mw/images/9/9c/Flag_of_Belgium_%28WFB_2004%29.gif" descriptionurl="http://yidtravel.com/mw/index.php/File:Flag_of_Belgium_(WFB_2004).gif" ns="6" title="File:Flag of Belgium (WFB 2004).gif" />
    </allimages>
  </query>
</api>