Thanks! It's s captured using a long exposure, meaning the shutter was left open for a longer amount of time than usual. This is also how you get photos of stars that are invisible to the naked eye and

Actually the water was moving so fast, I just stopped my lens down all the way and was able to capture that motion without a filter!

Man, I remember when this video came out!

Behold!

That's a lovely shot, very nice!