Some countries in the West have built walls to stop foreigners from entering. The colors on the wall represent different skin colors. The poster's background is the skin color of the West. The cut off the fence is the expectation of freedom.
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."