Which ancient civilization created the world's first large-scale sustainable product development system through 'chinampas' - floating agricultural plots that recycled nutrients and significantly increased crop yields?

Before modern sustainability became a buzzword, ancient civilizations developed remarkable sustainable product innovations that stood the test of time. Some of these practices were so effective that they influence modern sustainability initiatives today. Test your knowledge about these historical green innovations that changed commerce and production across millennia.

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The Aztecs of Mesoamerica
The Ancient Egyptians
The Roman Empire
The Han Dynasty of China