You don't need the balloon to get the torn piece of the picture in the tunnel. It just makes it easier. Climb all the way to the top of the cable and then jump to the right and you should still be able to get it.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.