GHOSTLY APPARITION CAUGHT IN A LIBRARY?

I discovered this video on LiveLeak that shows what appears to be an apparition appearing to the far left of the screen.

There is no further information as to the location and circumstances of the capture, nor indeed in what country it was filmed! It was probably the USA by the speakers accent on cam, but no other details are shared by the poster.
If genuine, it looks a really great capture.

I wonder what your impressions are?

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