Around the country, Americans memorialized the 15th anniversary of the 9/11 attacks with moments of silence and other displays or remembrance.
http://scitechnation.com/15-years-later-911-still-claiming-lives-of-first-responders-and-cleanup-workers-exposed-to-asbestos-and-toxic-fumes/
15 Years Later, 9/11 Still Claiming Lives of First Responders and Cleanup Workers Exposed to Asbestos and Toxic Fumes