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CHINA In 6 months 2020 Guizhou Province upgrading 66 tunnels
Guizhou Provincial Highway Bureau in China 13.99 billion yuan spend between 1 January 2020 and 30 June 2020. 66 Tunnel upgrades (Xinhua news agency inform).
http://big5.xinhuanet.com/gate/big5/www.gz.xinhuanet.com/2020-07/17/c_1126249711.htm
cover tunnel photo by: Matt Brown from London, England / CC BY
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今年上半年貴州完成公路固投139.9億元-新華網
big5.xinhuanet.com今年上半年貴州完成公路固投139.9億元---