A bus has been converted into a camera and will set off around London and Hertfordshire this month taking pinhole pictures as it passes by.

Bus Obscura is a passenger bus converted into a ?multiple aperture? camera obscura, designed to capture pinhole images through thousands of tiny holes made in a blackout material used to cover the windows.

?This allows light and images to flood the inside of the bus as it moves down the street,? say organisers of the project, created by British artist Simon Lee.

?Passengers sit in the seats as usual, but instead of looking out on a real scene as it passes by, they see a real-time projection of the same scene.?

The camera obscura flips each pinhole image upside down, creating an animated panorama of moving images that is projected onto the interior of the bus.

The bus will depart from the Margaret Harvey Gallery in St Albans, Hertfordshire as part of a special open day on Saturday 13 May at 11am, 11.30am, noon, 12.30pm, 2pm, 2.30pm and 3pm.

An exhibition of images captured by the bus will then go on show at the gallery until 10 June.

The gallery is based at the University of Hertfordshire, 7 Hatfield Road, St Albans. For details call 01707 285376.