Toddler runs through an installation of American flags memorializing Sept. 11, 2001.

Photo: Joe Klamar/AFP/Getty Images

Observing the 11th anniversary of 9/11

A toddler walks beneath an installation of U.S. flags on Sept. 9 in Malibu. The flags were erected by the students and staff of Pepperdine University in honor of victims of the Sept. 11 attacks.


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Catie Leary ( @catieleary ) writes about science, travel, animals and the arts.