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TBM Holes Through on First Tunnel for Riyadh Metro
2015-10-15 03:53:02| ENR.com: Headline News
The first of many tunnel breakthroughs on the Saudi Arabian capital's new, six-line, 176-kilometer metro recently took place at the Salah Al-Din.
Tags: metro
holes
tunnel
riyadh
Category:Construction and Maintenance
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