Construction of Yangtze River Delta transportation projects accelerated
English language https://english.eastday.com/China/u1ai8677839.htmlChina Chongqing highway tunnel turned into amazing landscape of four seasons
https://www.youtube.com/watch?v=l41EnXvCS2I English. https://english.news.cn/20220803/ed64e108d0724890ae52b0573ceb928a/c.htmlReply on topic: Bulgaria: Zheleznitsa Tunnel Construction Collapsed. 3 Workes in Hospital
This news English better than my English. I think tunnel is drill and blast method tunnelling. https://www.novinite.com/articles/205039/Rock+Mass+Collapsed+During+the+Construction+of+the+Zheleznitsa+Tunnel%2C+Three+Workers+Injured
cover tunnel photo by: Matt Brown from London, England / CC BY
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