I believe in ghosts and spirits. While not every odd occurrence is a ghost (sometimes it's worse than that), emotional and violent tragedies are a primary cause of the spirits partially remaining among us.
http://youtu.be/2StlW9XuA2g
Note the consistent flashing lights and wispy partial-body visuals. This is an older video taken by amateur tourists, not 'ghost hunters.'
http://youtu.be/U3q_ZyoEpUs
https://m.youtube.com/watch?v=rDQZ93xBnh4
Imagine this with the reporting, social media, and quality of photography today.
Wilderness battlefield, Locust Grove VA
Gettysburg
/bump for interest