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Ancient Archeology's 7 Greatest Unsolved Mysteries
Key Facts In This Video
The Sajama lines are huge lines carved into the Earth in Bolivia that cover an area of about 22,525 square kilometers. 01:20
The white horse of Uffington is a mysterious hill carving filled with white sand that dates back to 700 B.C. 02:26
Archaeologists uncovered graves in caves in the Baian-Kara-Ula containing skeletons no taller than 3 feet with abnormally large skulls. 05:34