My favorite way of photography. Crusty sharpy piece of wood into the rapids of a river. Silky smooth water. Love that.
Gear : Canon 5DSr - 24-70mm lens from Canon - Tripod - ND1000 filter (f/7.1 - 50mm - 110 seconds.)
And bonus one : Droplets
I did this one in my studio. Playing with a plate of glass, a background and some lights. For those interested about the technique. Please let me know. I would be happy to realise a tuto. (maybe youtube, maybe 
Gear : Canon 5DSr - Lens Canon macro 100mm f/2.8. (f/32 - 1/80 of a sec - 100mm) and a tripod.