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Street view utilizes vans with specially installed panoramic cameras. Every 20 feet or so, the automatic cameras snap 360 degree views of the surroundings. These images are then uploaded to Google servers for the world's viewing pleasure.
Just as Google Earth experienced a strange flap of "UFO sightings", Street View is now taking its stab at paranormal research.
Click on the post title for the story of the "Google Ghost"; a mysterious image of an ethereal Victorian woman captured in Cardiff. Is this proof of spirits among us, or some Google geek's idea of a practical joke? Apparently the experts are baffled by the pic and have no explanation for how it could have occurred.