21 years of 9/11 attacks: Wrenching to remember, hard to forget - collapse of the World Trade Center
World | Sep 11, 2022, 11:17 AM IST21 years of 9/11 attacks: The terrorist attacks of 9/11 were captured in countless pictures by news photographers, bystanders, first responders, security cameras, FBI agents and others. Even an astronaut on the International Space Station took some.