Hi Gregg... thanks for your comment and feedback
my symbols is an "A" that is the abstract representation of the view of the part of the bridge that support the bridge... in this picture
http://www.traveladventures.org/continents/northamerica/images/brooklyn-bridge08.jpgyou can see what I mean (sorry but sometimes is better a picture that a lot of words)
is the view that a person that is in front of the bridge has... also the shadow bellow is like the reflection in the water
I'll try to improve :)
thanks
fermat