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An arrangement of bones is seen in the Sedlec Ossuary chapel beneath the Cemetery Church of All Saints in Sedlec, suburb of Kutna Hora, Czech Republic on January 4, 2014. The ossuary contains the remains of about 40 000 people and the current arrangement of bones dates from 1870. AFP PHOTO / MICHAL CIZEK (Photo credit should read MICHAL CIZEK/AFP/Getty Images)

An arrangement of bones is seen in the Sedlec Ossuary chapel beneath the Cemetery Church of All Saints in Sedlec, suburb of Kutna Hora, Czech Republic on January 4, 2014. The ossuary contains the remains of about 40 000 people and the current arrangement of bones dates from 1870. AFP PHOTO / MICHAL CIZEK        (Photo credit should read MICHAL CIZEK/AFP/Getty Images)