I could have just strolled in through those tarps, but I took the skulking route around back, where I was required to climb some scaffolding stairs to get inside.
Looking down at where the seats will go in future Theatre (let's say) 7:
Future theatres 3, 4, and 5:
The pictures don't do justice to how big and airy -- and dim, at dusk -- this shell of a building was.
There was a ladder leading up to the roof, but I only made it about four-fifths up before deciding that I was not going to have the nerve to transition off the ladder onto the roof, and turning back. It was a tall ladder.