Between Palpa and Nazca, on the Pampa of Socos, are located some lines drawn on the ground and between 16 to 44 inches vade. The plain is a blackish, reddish color that turns purple at nightfall. A half circle of distant hills mak@s a natural west-facing amphitheater.

These lines can only be observed fully from the air, on overflying the desert. No one has been able to explain exactly.

the nature of this group of lines, testimony to the ancient Peruvians' extensive knowledge of geometry. Most opinions coincide in that this is an enormous calendar that also marks the path of the stars and points out solstices and equinoxes.

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