Picture taken at Mediamatic Fabriek. This is the horizontal aquaponics installation. The vertical one features the plant containers aligned vertically. This one takes up a bit more space, but it is also easier to take care of the plants (no ladders etc.
Two Australian growers have proven papayas in hydroponics and can be grown to production of fruit in little more than half the time of soil-grown "Trees." The hydroponically-grown fruit is claimed to be tastier.