Vampires have haunted nightmares for centuries, even dictating how people buried their dead.
Here are nine unusual burial techniques researchers believe were motivated by a fear of the dead.
Archeological digs over the past decades have unearthed remains of several so-called vampire burials, which researchers believe showcase ancient techniques people once used to stop the dead from returning from the grave.
But unusual burial practices associated with the belief have been spotted as early as the 5th century in ancient Rome.
These are nine techniques researchers have posited were meant to keep "vampires" in their graves for good.
Persons:
Matteo Borrini, Borrini
Organizations:
Service, Liverpool John Moores University
Locations:
Wall, Silicon, Europe, Rome