Historic England has just digitised the Air Pictures Portleven Collection, featuring fascinating shots of St Paul’s Cathedral, Battersea Power Station and more London is an ever-changing city ...

Duncan Wilson, chief executive of Historic ... using aerial photographs and Lidar has revealed traces of a Roman road to the east of the fort. Cropmarks form more easily on free draining soils.

The aerial images were taken ... available to the public for the first time online, giving people access to this remarkable collection of historic photographs." ...