Izzy took a deep breath and pushed a button next to the model of China. A whirring sounded, something opened in the middle of the model and a glass pillar went up. At the same time, a hissing sound rang out as the pillar filled with smoke. (…) Slowly, very slowly, tiny outlines began to form out of the smoke. They looked strangely solid. The smoke pooled into walls and roofs, culminated in towers…

“What the-?”

“This is Orgon, the substance used for creating the sky cities. It’s a kind of energy that can condense into something solid.”