Ever since R. Buckminster Fuller popularized the design in the mid-20th century, there’s been something captivating about the geodesic dome. While the structure typically makes architecture lovers salivate, now it’s conquering the heart of another type of urbanist: the city farmer. A new dome-based prototype promises an affordable method of rooftop aquaculture for apartment and commercial buildings—as the website calls it, getting “fish from the sky.”

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