The International Horticultural Exhibition, also known as Beijing Expo 2019, is currently underway in the Chinese capital. But beyond exotic plants and pretty flowers, the event is a showcase of cutting-edge technology. What design concepts make the China Pavilion a living, breathing architecture? How can a robot barista whip up a cup of coffee? Why do trash bins "scream" for sanitation workers? In this episode of "Fantastic Tech," we take a close look at the high-tech designs at the flower show.