This is when the explosion came. It progressed down the building, breaking the windows as it went; the entire building was groaning, an unnatural, unearthly sound, much like a can squeezing, or cracking uncooked spaghetti. By the time it reached the lobby, the marble veneer was cracking and falling off the walls; the chandeliers shattered on the floors along with the plaster ceiling, and the force imploded in at about 50 mph, pulling metal, balled safety glass, and other material with it. The pipes were bursting over my head and dense materials were flying around me as if they were...