In the 1920s, cinematographer Claude Friese-Greene travelled across London with his new colour film camera.
His trip produced some stunning images of the capital which have recently been revived and restored by the British Film Institute on the South Bank.
A London filmmaker has retraced his steps and captured every one of his shots, standing in his footsteps, and using modern equivalents of his camera and lenses.
His personal study is surprising - revealing how little has really changed in London.
Take a look at the video in full below.
Video courtesy of Simon Smith/BFI