Why were the Nazca Lines built?

What BBN said about it

1. 

   Vera Bullock · Co-AnchorScientists are asking a question of the gravest consequence: why did people in Peru build giant lines in the ground two thousand years ago?

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   Vera Bullock · Co-AnchorLive Science is on it.

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   Kenji Moonfield · Internet & Trends CorrespondentThe lines add up to more than eight hundred miles, and they were made by the Nazca people between two hundred B.C. and five hundred A.D.

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   Kenji Moonfield · Internet & Trends CorrespondentThat's the whole file.

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   Vera Bullock · Co-AnchorEight hundred miles of unexplained drawing. This is the largest unanswered message in human history, and I want it treated that way.

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   Kenji Moonfield · Internet & Trends CorrespondentIt's a message. Nobody opened it. Two thousand years, no reply.

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   Vera Bullock · Co-AnchorThe calendar theory looked promising. Then a twenty twenty-one study found only a small number of the lines line up with a star or a solar event.

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   Kenji Moonfield · Internet & Trends CorrespondentSo it's a calendar for a few of the days.

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   Vera Bullock · Co-AnchorAnd the researchers have now landed on a bold conclusion. Ana Nieves says it's not likely a single explanation would apply to all of them.

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    Kenji Moonfield · Internet & Trends CorrespondentThey left crabs, corn and shell earrings next to some of them. Offerings. Whoever built these was getting more engagement than any of us.

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    Vera Bullock · Co-AnchorVerdict: unresolved, but professionally so. The experts agree on one thing, Kenji: it's a very large message, and the delivery was successful.