At the Paris Expo Porte de Versailles exhibition center, an aeroponic growing tower system features hundreds of white columns with cylindrical outlets on the rooftop. These columns allow for soil-less farming, and various colorful produce, including basil, strawberries, and kale, flourish within the tower. The system conserves water by recycling leftover water, ensuring no wastage during the growing process.
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\IMAGES FROM: Bloomberg Europe’s largest rooftop farm, Nature Urbaine in Paris, can produce 10 tons of produce each season. Photo: Peter Yeung/Bloomberg CityLab