A video showing a mysterious, bubbling puddle in the dirt on a remote mountain hiking trail has gone viral on Reddit, with thousands of users chiming in to figure out what the unusual sight could be.
The short clip, posted by u/presentdifference21 in the r/whatisit subreddit, is titled: “Found this in the woods way up a mountain … How? What?” The post has racked up over 33,000 upvotes since it was shared on May 9.
The footage shows a seemingly unremarkable patch of dirt in the middle of the woods, save for a small pool of water gurgling up from below, creating a continuous bubbling effect on the surface.
Kevin J. McGuire, a professor at Virginia Tech who is the director of the Virginia Water Resources Research Center, helped clarify the phenomenon. He told Newsweek that what the Reddit video likely shows is a “groundwater seep”—a location where underground water naturally emerges at the land surface.
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