There's no metaphor stronger than that, for the sanctuary we live in, shielded but, in fact, well caged - because the sanctuaries are not only protecting us from nature and all kinds of shortages, but most of all they shield us from the emotions.
And when I look at this fence as the symbol of our lack of freedom, I literary can see a contrast with the man in the drawing on the building.
Read next
From @gadjodillo