Have you ever wished for a peaceful place to think or unwind after midnight? That wish is becoming a reality in Shanghai, which is pioneering a new concept-park that never sleeps. This bold move raises several questions: Who uses a park at 3 AM? What does it take to keep these green spaces safe and clean all night long? Join us as we unravel the layers of Shanghai's 24-hour parks. On the show: Niu Honglin, Li Yi & Steve Hatherly