Live: What benefits can smart cities bring to life?

Our cities are becoming smarter, with transport and other services designed to anticipate your needs. How can smart cities make our lives better? What are some of the risks involved? Join CGTN anchor Cheng Lei with Jean Liu, the president of Didi Chuxing, the world's largest mobile transport platform, and Monica Whaley, the president of the national center for the APEC China CEO Forum.