20th century workers in cylindrical tunnelling shield, protective structure used during the excavation of large, man-made tunnels

---

Size: 5471px × 3226px
Photo credit: © Collection Philippe Clement / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, 1930s, 1931, 20th, 30s, antwerp, archival, archive, belgium, black, build, building, century, circular, construction, cylindrical, diggers, digging, edgard, engineering, excavate, excavating, excavation, franki, frankignoul, historic, historical, man-, people, photo, photograph, protection, protective, river, safety, schelde, scheldt, shield, structure, technology, thirties, tunnel, tunnelling, tunnels, twentieth, waaslandtunnel, white, workers