Beneath what seems like an empty sky, a quiet economic revolution is taking off. This space is a launchpad for technology, industry, and dreams. From Shenzhen to Chongqing, from drone light shows to immersive cultural tourism, it is the result of a decade of unwavering effort by a generation of engineers. Cities are turning signal into spectacle, algorithms into art, and airspace into a bold frontier of economic growth. This isn't just innovation in the sky—it's a full-blown flight revolution, now officially taking off.