Twin Towers on Instagram: "When the second plane struck the South Tower at 9:03 AM, people inside and around the North Tower—the first tower hit—reported a new series of explosions and shockwaves, despite their building not being struck again. Survivors, firefighters, and maintenance workers inside the North Tower described powerful concussive events that gave the impression of fresh internal detonations. William Rodriguez, a janitor with master key access, was in the North Tower’s basement and