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Sci & Tech - Archeology
20 mln-year-old ape skull discovered in NE Uganda
Shicheng City: Where time travel is possible
Fossil find shows "walking cactus" is lost arthropod relative
Secrets inside ancient Mayan relics uncovered in Mexico
Peru: Yale University to return Machu Picchu relics
Fossil of ancient elephant's tusk unearthed in E China
