A photo snapped at just the right moment can reveal so much.

And the love that can exist between a person and an animal was distilled in a single image when Chang Yim, whose name means 'Smiling Elephant,' falls asleep in the arms of the woman who saved his family.

Before he was born, his mother, Dok Ngern, was living a life of abuse, being made to beg on the street. But then Thailand's Elephant Nature Park, a sanctuary for abused elephants, rescued her.