Stefania, the gigantic tunnel boring machine that dug out Milan's Metro 4 in front of the Milan Triennale

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Size: 3137px × 4938px
Location: Milan, Italy
Photo credit: © Robert Schiavoni / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: art, drilling, engineering, equipment, heavy, italy, milan, stefania, triennale