Two Lost Souls:

After losing his parents, this 3-year-old orang-utan was so depressed he wouldn't eat and didn't respond to medical treatment. The veterinarians thought he would surely die from sadness. The zoo keepers found a sick dog in the park at the zoo where the orang-utan lived and took the dog to the animal treatment center. The dog arrived at the same time the orang-utan was there being treated...