In this Aug. 30, 2017 photo, North Koreans walk through a village on the banks of the Yalu river across from the Chinese border town of Linjiang northeastern China's Jilin province. North Korea is changing, quietly but powerfully, with the rise of the young ruler Kim Jong Un extending even to those secret trails, where business has turned bad for the small-time smugglers who long dominated the border. (AP Photo/Ng Han Guan)
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