Some mysterious footprints have been discovered and people reckon they were left by Bigfoot. Others think a "skinwalker" is responsible.

The images were shared by Kent Attwood to the Bigfoot Believers Facebook page, where he explained he stumbled across the footprints in Sedona, Arizona, two years ago.

The prints appear in a line, pressed into reddish gravel. Kent wrote: "The stride was way longer than I could stretch my legs... stretching as far as I could didn’t even get close from one track to the next."

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