Colorado firefighter remembers Ground Zero 21 years after 9/11(00) Save Image Image gallery: 10301975 The Day A Small Town Became Ground Zero
![Ground Zero Memorial Video] New York's 9/11 Memorial Museum Rises From](https://d3i6fh83elv35t.cloudfront.net/static/2021/09/2021-08-15T220748Z_1897334526_RC2X5P9DK8GG_RTRMADP_3_AFGHANISTAN-CONFLICT-USA-1024x683.jpg "Ground Zero Memorial Video] New York's 9/11 Memorial Museum Rises From")
