Made (entirely) in China: a tech behemoth rises

No longer content just to assemble devices, Chinese firms want to design them and the infrastructure around them—and in some sectors they look set to succeed. Our correspondent visits indigenous communities along the icy sliver of water between Russia and America. And why North Korean students get illegal tutoring. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer

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