Owning a pet is one of the great joys of life. But when the time comes for an animal to pass on, it's often difficult to let go. Fortunately, trained veterinarians can ease the process of euthanasia. What's more, there are specialists who run pet funeral parlors, and there are pet cemeteries where the bereaved can pay their lasting respects to a favorite companion.
Browse this gallery for a look at the work of vets and others who help pets pass on.