This ancient South American kingdom ran on bird poop

Maize farmers in Peru’s Chincha Valley were fertilizing their crops with seabird poop as early as the year 1250

SINSIN
Feb 12, 2026 - 02:00
 0  13
This ancient South American kingdom ran on bird poop

Maize farmers in Peru’s Chincha Valley were fertilizing their crops with seabird poop as early as the year 1250

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