Book Covers--Theater?

[leslie41]

No: HPFGUIDX 166617


The more I look at the American cover, the more it looks like a 
theater, like Voldemort and Harry are actually on some sort of a 
stage.  Look at the curtain on the right--it's being held back with 
some sort of rope, or perhaps a metal hook with a leaf pattern?  It's 
certainly not the curtain (veil?) itself.  And the rocks and broken 
wood in the foreground--the curtain almost touches them.  

In addition, though Voldemort and Harry seem extremely vivid, the 
background seems intentionally flat, washed out and artificial, as if 
it were supposed to be the representation of a background painting.  
Check the brush strokes on the arena at the right side.  It's like 
we're being told this is a painting of a painting.

The rocks and wood and curtains in the foreground, Harry and 
Voldemort "on stage" and the painted backdrop...

But what kind of plot twist could cause that scenario?