Germany: Herrenknecht builds a 17.5-meter mega TBM to cross under the Yellow River in China
Released by Herrenknecht with the press release https://www.herrenknecht.com/en/newsroom/pressreleasedetail/mega-project-in-china-175-meter-tbm-shanhe-is-ready-for-construction-site/
cover tunnel photo by: Matt Brown from London, England / CC BY
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