The incredible light graffiti (PICS)
The name light graffiti struggles to do these displays justice.
The fantastic spectacles of colour - which are the latest trend in street art - are as impressive as fireworks.
A host of light sources, from flash lights and bike lights to blinking LED lights, are used to 'paint' a picture straight onto the camera lens.
Also known as light drawing or light painting, these arresting images are created with long exposure cameras in the dark. Sometimes the exposures run on for longer than an hour.
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