A new exhibition in Los Angeles, USA, reveals the oldest mysteries of mummies.

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A young man's mummy from the Atacama desert in pre-Columbian time, now Chile.Photo: AP.

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Mummy of a Peruvian child, 8-10 months old, died about 6,500 years ago, probably due to heart disease. This is one of the oldest mummies found.Photo: KPA.

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The baby's mummy is Johannes Orlovitz, who died at the age of 1. My outfit was recreated from the cloths I was buried with.Photo: KPA.

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Mummies of the baroness Schenk von Geiern and baron von Holz, partially concealed at the request of the lineage. Baron von Holz was a noble who died in the 17th-century war in Sommersdorf, Germany.Photo: KPA.

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The mummy of a South African woman has a tattoo on her chest and face.Photo: KPA.

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In addition to humans, animals are also embalmed such as dogs, lizards, fish, mice, cats, squirrels, falcons and a monkey from Argentina.Photo: KPA.

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A fetus dies in the 30th week due to a rare birth defect in the spine.Photo: KPA.

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Mummy of a 4-6 year old, Peruvian. Hair tests show exposure to nicotine.Photo: KPA.

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An Egyptian monk named Nes-Pa-Qa-Shuti, dates back to 650 BC.Photo: KPA.