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-continue>
    <allimages gaifrom="1416068836-Faukembergues-rue-monsigny.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="1678" ns="6" title="Bestand:!cid 00d301c75516$53251890$646ef055@novo.gif" />
      <page pageid="2188" ns="6" title="Bestand:002.jpg" />
      <page pageid="505" ns="6" title="Bestand:01 oorlogsmonument brakkenstein w860 h550-resized.jpg" />
      <page pageid="3346" ns="6" title="Bestand:02 pico colon BIS.jpeg" />
      <page pageid="861" ns="6" title="Bestand:0304webapp8.jpg" />
      <page pageid="2170" ns="6" title="Bestand:106 lamp schelpen Eric.jpg" />
      <page pageid="3045" ns="6" title="Bestand:107 woontafel Eric 2.jpg" />
      <page pageid="1011" ns="6" title="Bestand:10 Zelandicarum 1573 Sgrooten - Version 3.jpg" />
      <page pageid="2740" ns="6" title="Bestand:10 plagen van Egypte.jpg" />
      <page pageid="3023" ns="6" title="Bestand:1280px-Queen Elizabeth II and Prince Philip visiting NASA, May 8, 2007.jpg" />
    </pages>
  </query>
</api>