Although getting a puppy or kitten can be an exciting time, it's important to spare a thought for all of the pets out there that already need a home. If you've ever visited an animal shelter then you've probably witnessed first hand just how depressed some of the animals can be whilst locked up. But there is one thing that can change all of that, adoption. These 15 before and after pet adoption photos show just what a difference adoption makes and it will fill you with joy.
1. Just look at how happy he is now!
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