The poster describes that the bird was trapped in the cage and it can not move freely. its family can only communicate across the cage. the poster used the hanger as a medium, indicating that this phenomenon is caused by humans. Hanger and the theme of poster are combined as whole, which enhanced visual impact.
This poster belong to
Freedom of Movement

In last year's brief we talked about "a world where boundaries are becoming less and less meaningful. Now more than ever, we are one people. No matter where we live, we are all equally powerless in the face of war or environmental disaster."