Brad Pitt New Tattoo: Hidden Meaning!!

Brad Pitt has a line drawn tattoo on his back that depicts the New Orleans levee system which failed during Hurricane Katrina. This is likely to occur to others when they see the tattoo, but it took some deductive reasoning for me to figure it out. At first I thought it might be a pared-down architectural drawing, because Pitt is known to love modern architecture. I looked up sketches by Pitt’s favorite architects and nothing really matched.
Then I tried to think what’s Pitt might consider incredibly important and remembered his “Make it Right” project building green homes for New Orleans residents displaced by Hurricane Katrina.
I found an illustration of the New Orleans levees on Wikipedia, and when you turn it on the side and control for how far out the levees were, the tattoo on Pitt’s back matches exactly.