At the beginning of May, the TBM Margherita (10 m in diameter and 140 m long) reached 1 km of advancement in the excavation...
https://tunnelbuilder.com/News/ItalySicily-TBM-Margherita-reaches-1-km-of-advancement-on-the-Ogliastrillo-Castelbuono-section.aspx
https://tunnelbuilder.com/News/ItalySicily-TBM-Margherita-reaches-1-km-of-advancement-on-the-Ogliastrillo-Castelbuono-section.aspx
Italy/Sicily: TBM Margherita reaches 1 km of advancement on the Ogliastrillo-Castelbuono section - tunnelbuilder.com News
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