Busy cities leave miniscule area for dogs to exersise besides a walk around the neighborhood. Exersise and interaction with other dogs is important to a dogs health. If a dog is left at home they could act out by destroying furnature or being agressive twards unfermilliar people and/or dogs. Also, a dog park is good for the people of the city, a dog park is a good place to interact and meet new people.
Barking from one dog can sometimes be more than enough. The average dog's bark is 75-100 decibles, which could lead