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="Bshop1994.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="BD.jpg" timestamp="2012-09-10T08:38:08Z" url="https://arhrock.info/w/images/e/e4/BD.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:BD.jpg" ns="6" title="Файл:BD.jpg" />
      <img name="BRB.jpg" timestamp="2012-10-27T15:57:12Z" url="https://arhrock.info/w/images/b/bb/BRB.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:BRB.jpg" ns="6" title="Файл:BRB.jpg" />
      <img name="B_emblem.gif" timestamp="2010-12-15T21:39:46Z" url="https://arhrock.info/w/images/7/76/B_emblem.gif" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:B_emblem.gif" ns="6" title="Файл:B emblem.gif" />
      <img name="Bb10_afisha.jpg" timestamp="2010-12-15T21:21:03Z" url="https://arhrock.info/w/images/9/95/Bb10_afisha.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Bb10_afisha.jpg" ns="6" title="Файл:Bb10 afisha.jpg" />
      <img name="Bb12afisha.jpg" timestamp="2012-09-30T19:40:11Z" url="https://arhrock.info/w/images/3/3f/Bb12afisha.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Bb12afisha.jpg" ns="6" title="Файл:Bb12afisha.jpg" />
      <img name="Bloody_Tomatoz_bb2012.jpg" timestamp="2012-10-21T20:50:44Z" url="https://arhrock.info/w/images/b/b6/Bloody_Tomatoz_bb2012.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Bloody_Tomatoz_bb2012.jpg" ns="6" title="Файл:Bloody Tomatoz bb2012.jpg" />
      <img name="Blue_star.png" timestamp="2012-09-16T20:27:28Z" url="https://arhrock.info/w/images/7/79/Blue_star.png" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Blue_star.png" ns="6" title="Файл:Blue star.png" />
      <img name="Bol_utraty.jpg" timestamp="2012-12-20T06:34:12Z" url="https://arhrock.info/w/images/d/d3/Bol_utraty.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Bol_utraty.jpg" ns="6" title="Файл:Bol utraty.jpg" />
      <img name="Brokenbrains.jpg" timestamp="2012-09-16T21:26:44Z" url="https://arhrock.info/w/images/f/fc/Brokenbrains.jpg" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Brokenbrains.jpg" ns="6" title="Файл:Brokenbrains.jpg" />
      <img name="Broom_icon.png" timestamp="2010-12-14T18:53:13Z" url="https://arhrock.info/w/images/9/90/Broom_icon.png" descriptionurl="https://arhrock.info/wiki/%D0%A4%D0%B0%D0%B9%D0%BB:Broom_icon.png" ns="6" title="Файл:Broom icon.png" />
    </allimages>
  </query>
</api>