https://www.philippine-resources.com/articles/2026/9/metro-manila-subway-achieves-first-tunnel-breakthrough Philippine Resources Journal en 2026-09-25T12:20:00+08:00 Metro Manila Subway achieves first tunnel breakthrough Metro, Manila, Subway, Project, MMSP, DMCI, Nishimatsu-DMCI, Joint, Venture, north, Avenue, Station, Quezon, East, tunnel, breakthrough, Boring, machine, Infrastructure, transportation, Public, City, Department, of Construction