A couple of paddlers on the Skookumchuck Tidal Rapids in BC, Canada do the same move at the same time...
.
Captured November 3, 2007 with the Oly E-510, 40-150mm Zuiko lens @ 102mm, f/5.6, 1/640s, 400ASA. Cropped, border added and saved for the web in PS CS3. No other processing.
Al.