After professional photographer Hannah Stonehouse Hudson took this photo of her friend John Unger and his 19-year-old rescue dog, Shoep, taking one of their therapeutic evening swims in Lake Superior, she posted it on Facebook and it went viral.

"My specialty is documenting relationships, whether it's a wedding or a man and his dog," says the Bayfield, Wis., photographer. "I have known my friend John and his dog, Schoep, for six years. I have seen Schoep age -- he's 19 now. John lives his life in a kind way. He rescued this dog as a puppy, they have gone everywhere together ever since. Schoep has arthritis now, and John finds that the water is therapeutic. He is the kind of person who wants his animals to be comfortable. I wanted to capture their relationship. I told John, 'I really need to get photos of you and your dog.'

-Twincities.com

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