Sounded like gunfire. Rattling. Sharp and hard.
I figure it was the bolts connecting the steel wall panels-they'd shear off.
I could hear the concrete floor panels rumble and crack, and spandrel beams tear in half like giant gears clashing with no clutch.
Came down slow, leaving an arc of debris seeming to hang in the air behind it.
Met the ground hard.
Slocum Towers was the name on her.