This video shows a black and white dog with a red collar and leash. The dog is sniffing the ground and walking on a sidewalk. The dog is wearing a harness and is attached to a leash. The sidewalk is made of concrete and is surrounded by grass. The dog appears to be exploring its surroundings and is walking at a leisurely pace. The dog's tail is wagging, indicating that it is happy and enjoying its walk. The video captures the dog's movements and the sounds of the surrounding environment.