This photos contains the primary element of Shutter Speed called “Timing”.

ShutterSpeed is a setting or a tool in a camera where you can navigate the speed of the capturing time of the camera. This helps the photographer to capture some steady shots and motion shots. It is the one of the fundamental skill of the Photology , It serves us the light of the photography. 

I hope this helps you in your Photography. 
Have a Nice Day. :)