June 3, 2012: A piece of iron next to a skeleton dated back in the Middle Ages, at the archeological site in the Black sea town of Sozopol is evidence of a practice believed to stop the dead from becoming vampires. (AP Photo)
June 14, 2012: A man passes a displayed skeleton dating back to the Middle Ages and recently unearthed in the black sea town of Sozopol, at National History Museum in Sofia. Ever since archaeologists announced last week that they had found two ancient skeletons in Bulgaria with iron rods thrust through their chests, the media have been reporting how Bulgarians once did that to prevent the dead from emerging from the grave as vampires. (AP Photo/Valentina Petrova)
June 14, 2012: A journalist photographs a displayed skeleton dating back to the Middle Ages and recently unearthed in the Black Sea town of Sozopol. (AP Photo/Valentina Petrova)
June 14, 2012: Journalists put questions to the National History Museum's director Bozhidar Dimitrov, right in Sofia, as they surround a a displayed skeleton dating back to the Middle Ages and recently unearthed in the black sea town of Sozopol, at National History Museum in Sofia. (AP Photo/Valentina Petrova)
June 3, 2012: Archeologist Kalina Kostadincheva cleans dust from a skeleton dated back in the Middle Ages, at the archeological site in the Black sea town of Sozopol. (AP Photo)
June 14, 2012: A skeleton dating back to the Middle Ages and recently unearthed in the black sea town of Sozopol, and displayed at National History Museum in Sofia. On Saturday, one of those 700-year-old skeletons will be put on display at the National History Museum in Sofia, and its director, Bozhidar Dimitrov, says he expects there to be a big turnout. (AP Photo/Valentina Petrova)
Restless dead: An archaeologist cleans a skeleton during excavations in Bulgaria, where the remains of two bodies were found pierced with iron rods to keep them from turning into vampires. (AFP)