Making money in public transportation services is tough, but subways in these 16 Chinese cities managed to increase their net profits in 2021. Public transportation services do run up against real-world challenges. How did these cities do it? / Why are people visit their relatives less these days? / Listener Uncle Fang and Cherry share their stories with RoundTable at our 10th anniversary celebration! On the show: Heyang, Laiming & Feifei