SYDNEY, AUSTRALIA - MAY 07: Thick cloud is seen over North Sydney and the Sydney Harbour Bridge on May 7, 2016 in Sydney, Australia. Hazard reduction burning in the Blue mountains left Sydney covered in a smokey haze, with over 40 back-burning operations underway in the region. (Photo by Mark Metcalfe/Getty Images)

A mysterious white cloud of SOMETHING formed out of nowhere on the George Washington Bridge in New York yesterday morning.  Apparently it had to do with a fuel spill.  But we still haven’t heard a great explanation.  So we’re going with GHOST.

WATCH IT HERE

WATCH: Mysterious Bright Glow Emerges Suddenly on GWB

A bright white glow -- a cloud? a glare? a spirit? -- emerged suddenly on the George Washington Bridge Tuesday morning, traffic cameras show. The explanation is probably quite simple, but it's still cool to watch.