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="B-304.jpg" />
  </query-continue>
  <query>
    <allimages>
      <img name="B-10.png" timestamp="2014-12-05T16:58:38Z" url="https://wiki.wgcdn.co/images/0/02/B-10.png" descriptionurl="http://wiki.wargaming.net/en/File:B-10.png" ns="6" title="File:B-10.png" />
      <img name="B-11_Submarine.jpg" timestamp="2022-03-09T14:58:05Z" url="https://wiki.wgcdn.co/images/b/b9/B-11_Submarine.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-11_Submarine.jpg" ns="6" title="File:B-11 Submarine.jpg" />
      <img name="B-11_Submarine_commander_Norman_Holbrook.jpg" timestamp="2022-03-09T14:56:21Z" url="https://wiki.wgcdn.co/images/3/3e/B-11_Submarine_commander_Norman_Holbrook.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-11_Submarine_commander_Norman_Holbrook.jpg" ns="6" title="File:B-11 Submarine commander Norman Holbrook.jpg" />
      <img name="B-17G_Nose_in_Detail.jpg" timestamp="2018-11-30T02:14:57Z" url="https://wiki.wgcdn.co/images/1/14/B-17G_Nose_in_Detail.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-17G_Nose_in_Detail.jpg" ns="6" title="File:B-17G Nose in Detail.jpg" />
      <img name="B-17G_formation_on_bomb_run.jpg" timestamp="2018-11-30T02:16:15Z" url="https://wiki.wgcdn.co/images/f/f0/B-17G_formation_on_bomb_run.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-17G_formation_on_bomb_run.jpg" ns="6" title="File:B-17G formation on bomb run.jpg" />
      <img name="B-17_Damage_Cologne.jpg" timestamp="2018-11-30T02:17:33Z" url="https://wiki.wgcdn.co/images/a/ae/B-17_Damage_Cologne.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-17_Damage_Cologne.jpg" ns="6" title="File:B-17 Damage Cologne.jpg" />
      <img name="B-17_at_Mighty_8th_Air_Force_Museum,_Pooler,_GA,_US.jpg" timestamp="2018-11-30T02:13:44Z" url="https://wiki.wgcdn.co/images/0/07/B-17_at_Mighty_8th_Air_Force_Museum%2C_Pooler%2C_GA%2C_US.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-17_at_Mighty_8th_Air_Force_Museum,_Pooler,_GA,_US.jpg" ns="6" title="File:B-17 at Mighty 8th Air Force Museum, Pooler, GA, US.jpg" />
      <img name="B-17_on_bomb_run.jpg" timestamp="2018-11-30T02:07:53Z" url="https://wiki.wgcdn.co/images/a/a1/B-17_on_bomb_run.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-17_on_bomb_run.jpg" ns="6" title="File:B-17 on bomb run.jpg" />
      <img name="B-17dorsalview.jpg" timestamp="2018-11-30T02:10:36Z" url="https://wiki.wgcdn.co/images/6/69/B-17dorsalview.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-17dorsalview.jpg" ns="6" title="File:B-17dorsalview.jpg" />
      <img name="B-25H_Mitchell.jpg" timestamp="2022-07-20T14:59:44Z" url="https://wiki.wgcdn.co/images/2/22/B-25H_Mitchell.jpg" descriptionurl="http://wiki.wargaming.net/en/File:B-25H_Mitchell.jpg" ns="6" title="File:B-25H Mitchell.jpg" />
    </allimages>
  </query>
</api>