We are launching nationwide #CarFreeDay initiative beginning Sunday Dec. 9! Everyone is encouraged to go Car-Free & engage in bike ride🚲walking🚶♀️& running🏃♀️on the day. Roads in major cities will be cleared for a limited time for mass sport, health screening & educational events. pic.twitter.com/dkQNfa9oUZ — Amir Aman, MD (@amirabiy) 2018年11月21日