Behind the scene #TheConjuring2

Many people might wondering The Conjuring 2 behind the scene. How they act and how they make it so real. Now, there's a video clip about behind the scene of The Conjuring 2. This video clip is available from TGV Cinema Facebook page.
For my personal opinion, i am one of the people who also wondering of behind the scene in The Conjuring 2. However, the scene was not so dark in my mind and i think the effect they made is really awesome.