First you don't see it... then you do

First you don't see it, then you do, and then you don't.
Experimenting with photos is fun.  Taking the exact same photo
and adding a feature, then taking it away can make for an
interesting short for a photo.  It gives the viewer something
to compare and it distracts from a long still photo without
shifting the viewer away from the photo.  Just something to
do to change things up.