Working Dogs | National Geographic

Man's best friend loves to play hard, but dogs are also hard workers. See how these pooches pull a nine to five! ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: htt...