Houston Zoo 2017, Round Two - Fountain at 1/6 Sec Shutter Speed

This is the same composition after manually changing the shutter speed to one-sixth of a second.  Cropped version below, revealing just how much such a slight adjustment can make on a moving body of water:

...and speaking of moving bodies of water, waterfalls are another perfect subject for experimenting with shutter speeds per this post from April, 2018.