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Chennai Metro Phase 2 Recorded 24th Tunnel Breakthrough At Moolakadai Station - metrorailnews.inmetrorailnews.in · Fri, 07 Aug 2026 10:46:04 GMTChennai: Tunnel Boring Machine ‘Nilagiri’ achieves breakthrough at Moolakadai - DT NextDT Next · Fri, 07 Aug 2026 02:15:14 GMTChennai metro achieves 24th tunnel breakthrough in Phase II project - The Times of IndiaThe Times of India · Thu, 06 Aug 2026 15:24:00 GMTBreakthrough on ‘world’s longest underground railway tunnel’ - Construction BriefingConstruction Briefing · Fri, 31 Jul 2026 07:00:00 GMTBreakthrough for Italy-Austria rail tunnel - geplus.co.ukgeplus.co.uk · Fri, 31 Jul 2026 05:42:37 GMTMega machine achieves key Yangtze underwater tunnel breakthrough - China Daily Global EditionChina Daily Global Edition · Thu, 30 Jul 2026 23:23:01 GMTBrenner Base Tunnel Bores Break Through Austria–Italy Border - Railway SupplyRailway Supply · Thu, 30 Jul 2026 10:30:47 GMTBrenner Base Tunnel completes landmark Alpine breakthrough - Railway PRORailway PRO · Thu, 30 Jul 2026 07:14:33 GMT