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HTML is good for debugging, but probably is not suitable for your application.
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<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaifrom="Arcetri1.jpg" />
  </query-continue>
  <query>
    <pages>
      <page pageid="831" ns="6" title="File:20170606 2144 verz.jpg" />
      <page pageid="849" ns="6" title="File:20170704 1933 verz.jpg" />
      <page pageid="851" ns="6" title="File:20170705 2149 2 verz.jpg" />
      <page pageid="632" ns="6" title="File:25012015 175038TU.jpg" />
      <page pageid="53" ns="6" title="File:Alcuni domi lunari.jpg" />
      <page pageid="725" ns="6" title="File:Anigif 1.gif" />
      <page pageid="931" ns="6" title="File:Anigif bruno 01012017.gif" />
      <page pageid="884" ns="6" title="File:Anigif bruno 061116.gif" />
      <page pageid="922" ns="6" title="File:Apenninus 20180424 2131 verz.jpg" />
      <page pageid="493" ns="6" title="File:Appennini 20120907 2336 fon.jpg" />
    </pages>
  </query>
</api>