Starting 2,000 year ago, an indigenous "garden urbanist" culture developed in Ecuador with more than 6,000 gardening platforms and 15 urban centres linked by roads
From Scientific American:
Archaeologists recently rediscovered the long-hidden traces of an ancient Indigenous society in western Ecuador’s Upano Valley: more than 6,000 earthen platforms that once supported houses and communal buildings in 15 urban centers, set amid vast tracts of carefully drained farmland and linked by a network of roads
Link to peer reviewed publication
