How to Feed a Megacity Like the Aztecs

WHEN CONQUISTADOR HERNÁN CORTÉS REACHED Tenochtitlan in 1519, he beheld a floating city. The temples and palaces of the Aztec capital gleamed white from an island in the middle of a vast lake, all spread under a searing blue sky. With an estimated population of 200,000, roughly the size of contemporary Paris, the city overflowed with people. Around the metropolis, an archipelago of lush islands emerged from the lake’s glassy surface, overflowing with plants.

Read more at Atlas Obscura. Featured image: The Digital Edition of the Florentine Codex, CC BY 3.0

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