Ghosts in an Ireland Jail?

Here is an interesting photo taken in Kilmainham Gaol (Jail) in Dublin, Ireland. It was recently posted on Coast to Coast’s website, and you can read the full story there. As you can see, there is a large orb floating in the foreground. The woman who submitted the photo also thought she saw the ghost of a young boy and a woman with a child in the back:

For the life of me, I could not see any people in the photo, even in her blown up version. I adjusted the contrast and brightness in Photoshop, and here is the result:

Look in the darkened doorway. I’m not sure if what she calls a boy’s face is actually a face, but it does look like another orb to me. You can also see an orb floating in the hallway. What do you see?