In this image made on Monday, Feb. 16, 2015 from an interactive graphic from Baidu, the Chinese Internet portal, lines tracing the trips of individual travelers provide a "heat map" of the massive migration home from the big cities ahead of China's Lunar New Year. The interactive graphic shows the brightest spokes emanating from eastern employment hubs Beijing, Shanghai and the southern nexus of Shenzhen, Guangzhou and Dongguan. The lines are drawn from the locations of smartphones. (AP Photo/Baidu) (The Associated Press)
BEIJING – This map of China's Lunar New Year travel tells a story of massive migration home from the big city.
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