Along China's Expressways: Sichuan-Tibet route promotes national unity

China's expressway network is essentially a grid of five routes running from north to south and another seven running from east to west. Some 35,000 kilometers of road connects China's major cities. CGTN's special coverage focuses on the Sichuan-Tibet Expressway in southern China, connecting two vital areas. Officials said the route helps drive development and unity. Let's find out how the expressway is helping ease poverty and bridge cultures.

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