Pre-Production

My final idea is to remake the final battle between Harry Potter and Voldermort. I have noticed that at some points it may be difficult for me to re-create so i will change some parts to my own. This is what i am going to re-create--http://www.youtube.com/watch?v=A9kP6XYW7gA

 This is my idea for my set. Its going to be fairly big as my models are big. For the background i have decided to use green screen and then edit that when it comes it and put it in a dark and cloudy night sky when in production to prevent any green appearing i will have to make sure the lighting is in the correct place. For the arches i will be cutting them out of card, layering them and add grooves in to create a 3D effect. When I'm happy with the arches i will add in rocks made out of cardboard and clay.