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Overview, Key Takeaways, 4-tour matrix with mine interior access notes, and GYG availability calendars.

Iglesias Turismo official tickets vs guided boat excursions from Masua, Buggerru, and Cagliari.

Cesare Vecelli's 1924 engineering breakthrough, 600-meter cliff tunnels, and underground gallery walk.

Sold-out ticket advice, boat tour vs tunnel walk differences, parking at Masua, and timing.

Driving from Cagliari via SP83, Masua beach parking fees (€5/day), and ARST bus 808 connections.

Hardhat safety requirements, internal gallery temperature (16°C), sturdy shoes, and accessibility.

Accommodations in Iglesias, Nebida coastal village, and Buggerru fishing port.

Mistral wind patterns, sea conditions for rubber dinghy boat excursions, and monthly forecasts.

Pan di Zucchero rock stack, Laveria Lamarmora cliff ruins, and Cala Domestica cove.

Alessandro Melis bio, Sulcis mining preservation research, and editorial standards.

Crawler index with priority weighting and 2026 lastmod timestamps.

Bot crawl permissions and sitemap URL location.