Later, after the buildings fell, a cameraman and I cut through the dust and walked toward ground zero, where the sky was filled with fine pieces of glass and acrid smoke.

CNN: Day turns to night at ground zero

Two additional pieces of welcome news emerged from the video: The iOS version will contain the full game, and there will be zero in-app purchases.

FORBES: iOS To Receive Turn-Based Strategy Game 'XCOM: Enemy Unknown' This Summer