Reinforced concrete beams and supports on the open roof of Thorn House, with London rooftops beyond, including St Martin in the Fields church, and the Houses of Parliament
- Date:
- Sep 1959 - Jan 1970
- Location:
- Thorn House, Upper St Martins Lane, City Of Westminster, Greater London Authority, Wc2
- Reference:
- AA076496
- Type:
- Photograph (Negative)