It began with the familiar dramatic scene: A series of bright flashes chased each other around the condemned stadium, emitting dozens of plumes of smoke. As the smoke cleared, Detroit's famed Silverdome was still standing. An official at the Silverdome site told CNN affiliate WDIV the implosion did not go according to plan. Explosives were placed on each of the steel beams that support the Silverdome's upper ring.