@masculinepersistencebrainstorm on Instagram: "The Last 4 Survivors of 9/11 Against impossible odds, four people trapped above the impact zone in the South Tower found a way to survive on 9/11—and even stopped to help others along the way. Their stories reveal incredible bravery in the face of chaos. While some moments in this video may be tough to watch for those personally touched by that day, we felt it was important not to soften the reality of what they lived through. Uncovering @uncovering