The circle is clearly not supposed to be there, therefore, as an unauthorized addition by a third party, it is somewhat open to interpretation.
When I wrote the caption for this mage back in 2006, I interpreted it as a person actively using a hula hoop with the little shapes around the circle signifying motion. Looking at it now, I see another interpretation: a “longboard” skateboard, i.e. like this:
what does the circle around the pedestrian image mean?????
The circle is clearly not supposed to be there, therefore, as an unauthorized addition by a third party, it is somewhat open to interpretation.
When I wrote the caption for this mage back in 2006, I interpreted it as a person actively using a hula hoop with the little shapes around the circle signifying motion. Looking at it now, I see another interpretation: a “longboard” skateboard, i.e. like this:
http://commons.wikimedia.org/wiki/File:40incheslongboard.JPG
And in that interpretation, the person is carrying their skateboard in one hand.
So that’s my best guess.