On today’s page, Zevachim 87, the rabbis debate whether suspended offerings become sanctified by the altar’s “airspace,” expanding holiness into the invisible vertical realm above it. That same question animates New York City’s obsession with air rights, where the unseen world above a roofline becomes the site of future growth. What happens if we start treating the space above our own lives—our ambitions, potential, imagination—as buildable terrain? Listen and find out.