A photograph taken at the Technical High School in Springfield, Massachusetts, showing a construction project by the carpentry class. The image features reinforced concrete piers and bridge trusses being constructed solely with hammers and saws. This photo is marked for official use only.

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Size: 8596px × 5874px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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