Visitors tour the "Mummies of Guanajuato" exhibition at the Carlos Prieto auditorium in Monterrey
Visitors tour the "Mummies of Guanajuato" exhibition at the Carlos Prieto auditorium in Monterrey, northern Mexico December 11, 2008. Unlike Egypt's centuries-old swaddled pharaohs, the more than 100 mummies of the city of Guanajuato are relatively youthful bodies that were unexpectedly preserved in the mild, dry conditions of central Mexico between 1865 and 1907. REUTERS/Tomas Bravo (MEXICO)