Four translucent interfaces floated serenely in the air around him, displaying live telemetry for oxygen circulation, water filtration purity, and environmental metrics. The diagnostic bars for the greenhouse gardens on the uppermost floors glowed a vibrant, healthy green. Inara quietly deduced that the greenhouse floors were positioned at the very top of the spire because of what Caelum had mentioned last night—heat rises. Utilizing the natural ambient heat generated by the city's power grid was an efficient way to keep the crops warm and supply the high-spectrum light needed for growth. Given that the science tower was a massive structure spanning hundreds of yards in diameter, those top two floors of vertical farming effortlessly supplied the bulk of Naria’s current food supply.
“You o
