LISA'S ANIMAL TALES: RAT KEEPING NEW YEAR'S RESOLUTION TO EXERCISE (Video)

If subway rats are going to keep eating pizza, they're going to have to get some exercise and burn off those extra calories. Here's a little guy who's doing his best to stay fit by using an escalator as a stair stepper machine. 

Close-Up Portrait Of Rat Drinking Water

Photo: Kathrin Raedel / EyeEm / EyeEm / Getty Images


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