The shutter speed must of been really slow, to capture light in the photograph. The light source is probably a small little flashlight. The subjects are the people being traced by the light. The subject is not the light.

The photograph of the camera, the image was probably made with a really slow shutter speed to get the different color lights that trace the camera. The photographer, if I were to guess, he used a gel, to get all the different colors of lights outlining the camera. The subject is the camera.


The third image is interesting because now the subject is the light. Its the goalie trying to save the ball. To catch this like the other photographers shutter speed must of been slow and the light in the photo were different colors, to guess they might have used a gel to get the different colors.
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