Today, AD joins interior designer Ross Cassidy in Paris’ largest flea market, Marché aux Puces de Paris Saint-Ouen, as he hunts for special pieces to fill his client’s home. Covering 20 acres and with over 1,700 vendors, navigating a flea market like this might seem a daunting task for many. From knowing when you’ve found a bargain to distinguishing real designer items from replicas, follow Ross as he shows you how to find treasure like a pro.