24 years after 9/11, previously unseen images are still emerging. This group finds and publishes them

(CNN) — The camera zooms in on the flames and black smoke pouring out of the building more than 90 stories up. Papers fly down as people on the street stare up. The cameraman says it was an explosion.

But then the second tower is hit, and he realizes it’s even worse. “Oh my God,” the man says over and over. He tells people around him to go home and not look up.

The video was recorded a block from the World Trade Center on September 11, 2001, by a man named Edward Sferrazza, who then rushed to his work van to drive away. Blocked in by standstill traffic, he got out to film again with his camcorder and became engulfed in the racing dust cloud that covered Lower Manhattan when the first tower fell. He kept recording even as he coughed, stumbled and sought refuge back in his van.

That foot