Animal shelters start sharing about their dogs waiting the longest for adoption.
Many highlight dogs patiently waiting over 500 days to find a home.
They share photos of the sweet pups still hoping for a family after years in the shelter.
Advocates stress these wonderful dogs deserve to know life in a real home.
People are brought to tears learning about the lonely long-waiting dog
Commenters express joy when one is finally adopted after so long.
The dogs' stories inspire many to consider adopting their next pet from a shelter.