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
Paul Burnham: Penstock in the Spring
Paul Burnham: Penstock foot tunnel - downward view
Paul Burnham: Penstock - external view from below
Paul Burnham: Welcome to the pedestrian subway on the Parkland Walk at Muswell Hill, North London
Paul Burnham: Welcome to the Penstock foot tunnel
Paul Burnham: Penstock foot tunnel in black - looking up the slope
Paul Burnham: What can they know of tunnels, who only tunnels know?
Paul Burnham: Penstock special
Paul Burnham: Penstock upper
Paul Burnham: The Penstock foot tunnel at dusk, looking downhill
Paul Burnham: The Penstock foot tunnel cold and wet, with lights out in the daytime - looking uphill
Paul Burnham: Wolverton railway foot tunnel
Paul Burnham: Subway walking
Paul Burnham: pedestrian subway