Cesar Millano (second from left) trains Gunny to pull Dorian (second from right) in a cart.
Cesar Millano (second from left) trains Gunny to pull Dorian (second from right) in a cart. NGC © National Geographic Channel / Joy Weber-McKendrick
Cesar Millano (second from left) trains Gunny to pull Dorian (second from right) in a cart. NGC © National Geographic Channel / Joy Weber-McKendrick