A Chongqing Rail Transit Group Co. (CRT) train arrives at a station under a residential building in Chongqing, China, on Tuesday, April 12, 2016. The municipality of 30 million people's state-led development approach fueled growth of 11 percent last year, the fastest pace nationwide, with President Xi Jinping praising policy innovations that have included subsidized housing and relaxed residency rules that encourage labor mobility. Photographer: Qilai Shen/Bloomberg via Getty Images
A Chongqing Rail Transit Group Co. (CRT) train leaves a station under a residential building in Chongqing, China, on Tuesday, April 12, 2016. The municipality of 30 million people's state-led development approach fueled growth of 11 percent last year, the fastest pace nationwide, with President Xi Jinping praising policy innovations that have included subsidized housing and relaxed residency rules that encourage labor mobility. Photographer: Qilai Shen/Bloomberg via Getty Images
A Chongqing Rail Transit Group Co. (CRT) train is seen through a window as it arrives at a station under a residential building in Chongqing, China, on Tuesday, April 12, 2016. The municipality of 30 million people's state-led development approach fueled growth of 11 percent last year, the fastest pace nationwide, with President Xi Jinping praising policy innovations that have included subsidized housing and relaxed residency rules that encourage labor mobility. Photographer: Qilai Shen/Bloomberg via Getty Images
