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Blackfriars Bridge by JACOBS in London, United Kingdom
 
The underground ventilation shaft 
 
Blackfriars Bridge by JACOBS in London, United Kingdom Blackfriars Bridge by JACOBS in London, United Kingdom Blackfriars Bridge by JACOBS in London, United Kingdom Blackfriars Bridge by JACOBS in London, United Kingdom Blackfriars Bridge by JACOBS in London, United Kingdom Blackfriars Bridge by JACOBS in London, United Kingdom