Where to go, what to do today in Shanghai. Read on for Shanghaiist’s picks. Dreams flea market @ Xintiandi The Dreams flea market summer edition happens at Xintiandi every weekend when the weather permits. This market is free for all and showcases the usual vintage clothing, accessories, jewelry and food. Goes on from 12pm-8pm every weekend of September. WHEN: 12pm-8pm WHERE: 245 Madang Road // 马当路 245号 PRICE: Free Jazz talk @ Glam Join the…