Many Americans can pinpoint exactly where they were when the twin towers collapsed, but children in elementary school are too young to remember.
"They've told us that many people were killed," said Haeley Barr.
Barr has learned what she knows about 9/11 from her teachers at Dresden Elementary.
"These children were not alive, and I think they're relying on us to make sure that it's something that doesn't get forgotten," said Elaine Ross.
Dickie...





