What Happens When a Prisoner Is Freed?

When the prisoner is liberated, they are angry and upset. They're trying to get their minds round the fact that it's the object casting shadow that's the more real thing. The edges of the dolls are crisper than the edges of the shadows they were seeing before. Even the light source itself is not a genuine, pure light sorce like the sunis an artificial fire,. It's an artificial fire. But also, as you say, the fire as a light source is just not as pure as the sun. And then you have these people who are actually casting the shadows. So what do these people symbolize? Yet, they're not the ones whose shadows you see, right?