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When a global metropolis abandons de-icing agents, what happens? Beijing is finding out. To protect its environment, the city is swapping chemicals for manpower, trading spreaders for shovels. How can this modern capital handle winter the old-fashioned way? We examine the high-stakes experiment on Beijing's icy streets. / Is small talk dying (15:05)? On the show: Steve, Fei Fei & Yushun