Credits
Photo credits
The photos on this site, with their credits and licences.
- Underpinning a building in stages, one pit at a time: Patrick Oberdörfer, CC BY-SA 4.0
- Temporary underpinning: a steel beam carrying a brick wall: Jkg52-wiki, CC BY-SA 4.0
- An underpinning pit being dug, 39th Street Bridge: MTA Capital Construction Mega Projects, CC BY 2.0
- Concrete going into an underpinning pit, 39th Street Bridge: MTA Capital Construction Mega Projects, CC BY 2.0
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