A science and technology student in Medellín experienced a chilling encounter with a ghost while working late in an office.
The incident was captured on security cameras and shared on Twitter.
The video showed a coffee cup falling off the desk and a chair moving on its own.
The student was frightened and said the building, which is almost a century old, is reputed to be haunted.
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The post went viral, with users suggesting he investigate the history of the house and communicate with the spirit.
Others were skeptical, saying it was a setup or a joke from a colleague.
The video caused a stir among paranormal enthusiasts, and the student said he won’t work alone late at night anymore.
The incident raises the question of whether it was an inexplicable phenomenon or a coincidence, and whether one would dare to work in that office or go to bed early.