I think this is a good photograph for the theme: Freedom. I've always liked to travel, and the freedom to travel, as of the latest century this has greatly increased.
I'm glad you didnt chose a cheesey obvious photograph like a flying bird, or dove, freedom bird, statue of liberty, or some war monument representing freedom. In these cases its so obvious that the viewer doesnt really get a chance to use their own imagination. With your photograph it gives everyone a chance to have their own interperatation of the photograph.