nice dark tunnel + epic Audi TT-RS + water = EPIC.
ALSO—there is a video showing some of the footage here (what a sound!):
http://www.abhd.nl/video/racen-door-de-noord-zuid-tunnel/
big thanks to Lukas for sending the tip! Apparently this was being filmed for a Dutch TV show called ‘AutoRAI’ (click to enlarge fotos)
for the full set of fotos, go here:
http://www.autoblog.nl/image-gallery?file=Audi/TT-RS_tunnelrun/