The Times Online: Pyramid is giant farming clock

On a barren hillside just north of Lima, he had found an observatory more than 4,000 years old that had been built by a lost civilisation with astonishing sophistication.

The oldest astronomical observatory in the Americas, it told farmers exactly when to sow their crops. Its discovery has provided startling clues to the way in which early man learnt to cultivate his fields.

Darned clever those ancients, weren’t they? Really kinda proves they had help from ancient astronauts, doesn’t it?

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