Light mermaid on AGT

[AniaR]

Anyone catch this last night?


http://www.youtube.com/watch?v=ImZaT2evJ-s&feature=g-u-u

[Mermaid Jewel]

I saw it! I was amazed how they got light graffiti to do that live...it was definitely light graffiti, I've done that before and I know the techniques, but it's a method for a long exposure still photography. I wonder how they managed to make that into a live show....