An incredible art/dance piece by artist Nobuyuki Hanabusa and dancer Katsumi Sakakura, together known as Kagemu.
'Black Sun' is a a combination of traditional and contemporary Japanese dance/martial arts with exquisitely choreographed motion-graphics:
Read the interview of the duo: Kagemu's 'Black Sun' Synchronizes Projected Video With Japanese Dance.
Found it here: http://thereisnocavalry.wordpress.com/ - thank you, David.
* Photo from Google Images.