Paul Burnham:
The Penstock foot tunnel
Paul Burnham:
Train at Finchley Road & Frognal Station (North London Overground Line), seen through tunnel from the platform at Hampstead Heath Station, 470m away. The distorted images of rails may be caused by differential heat and air quality in the long tunnel.
Paul Burnham:
The Penstock foot tunnel (Hornsey - Turnpike Lane) - heading down to the East
Paul Burnham:
The Penstock foot tunnel (Hornsey - Turnpike Lane) - heading up to the West
Paul Burnham:
Subway in the City (Tottenham Hale, London)
Paul Burnham:
Pedestrian subway, Tottenham Hale, London, 2020
Paul Burnham:
Railway tunnels at Seldja in Tunisia
Paul Burnham:
Foot tunnel Tottenham London
Paul Burnham:
Penstock in the Spring