I would expect the interior to still be blackened.  Here is the photo from the article closer up:<p><a href="https:&#x2F;&#x2F;maptia.imgix.net&#x2F;photos&#x2F;75985&#x2F;1456101557.jpg?cs=srgb&amp;s=df472bbb09971018060e26f24761e0a5" rel="nofollow">https:&#x2F;&#x2F;maptia.imgix.net&#x2F;photos&#x2F;75985&#x2F;1456101557.jpg?cs=srgb...</a><p>From what I gather from other articles, no human remains have ever been extracted from them.  Perhaps the buildings were used for a religious purpose or for temporary shelter.