Supernatural Oxford

Oxford is a very rich place for paranormal investigation. This film details some of the best examples and visits the locations they occur in. Is there an underlying reason why Oxford is so haunted?
See here for background: http://hpanwo-tv.blogspot.co.uk/2017/02/the-oxford-zodiac.html.
And: http://hpanwo-tv.blogspot.co.uk/2011/02/oxford-reptilian.html.
And: http://hpanwo-tv.blogspot.co.uk/2011/05/oxford-where-are-bodies-buried.html.
And: http://hpanwo.blogspot.co.uk/2010/10/river-ghost.html.