Retrieved published fo rescue dogs for 911 10th anniversy

On the 10th anniversary of 911, the book "Retrieved" will be published and highlights rescue dogs on the that day.

After the attacks, more than hundreds of rescue dogs and their owners are searching around the disaster area, Ground Zero to search for survivors. After a decade, there are only 12 of them are still alive.

These dogs worked tirelessly to search for anyone trapped alive in the rubble, along with countless emergency service workers and members of the public.

These dogs are featured in a book, "Retrieved," by photographer Charlotte Dumas. Dumas travel across nine states in the U.S. from Texas to Maryland to capture the remaining dogs in their twilight years in their homes where they still live with their handlers.

Noted for her touching portraits of animals, especially dogs, Charlotte wants her book not only mark the anniversary of the 911, but also recognition for some of the first responders and their dogs.

Mozie, 13, from Winthrop, Massachusetts, arrived with her handler, Mark Aliberti, at the World Trade Center on the evening of September 11 and searched the site for 8 days.

Tara, 16, from Ipswich, Massachusetts, arrived at the World Trade Center on the night of the 11th. The dog and her handler Lee Prentiss were there for eight days

Kaiser, 12, pictured at home in Indianapolis, Indiana, was deployed to the World Trade Center on September 11 and searched tirelessly for people in the rubble

Bretagne and his owner Denise Corliss from Cypress, Texas, arrived at the site in New York on September 17, remaining there for ten days

Bretagne takes a break from work at the 9/11 site with his handler Denise

Guinness, 15, from Highland, California, started work at the site with Sheila McKee on the morning of September 13 and was deployed at the site for 11 days

Searching for survivors: The dogs worked around the clock in the vain hope of finding anyone still alive at the World Trade Center site

The dogs are now old and they will soon pass away.

'These portraits are about how time passes, and how these dogs and their portraits are offering us a way to deal with the things that happened as well as relying on them for comfort,' said Charlotte.