Thirteen years after a dark day, 15-year-old Bretagne, one of the last surviving 9/11 search dogs, returns to Ground Zero. “In the years that followed 9/11, Bretagne and Corliss deployed together to numerous disaster sites, including Hurricane Katrina, Hurricane Rita and Hurricane Ivan. Bretagne retired from formal search work at age 9 — but today, even though she’s roughly 93 in human years, she still loves to work.”