When you order your food do you think about the cleanliness of the kitchen that food came from? Now the person delivering your food is not just a courier but also a food safety watchdog. In China, some cities are empowering food delivery riders to act as food safety inspectors. They see things most of us never will, and their reports could be the difference between a clean kitchen and a health hazard. On the show: Niu Honglin, Steve Hatherly & Yushan