2+2 does not = 4 etched steel, concrete, 2’x3’x3”, 2000 “2 + 2 does not = 4” – etched steel, concrete, 2’x3’x3”, 2000 “2 + 2 does not = 4” – etched steel, concrete, 2’x3’x3”, 2000 Share: Twitter Facebook Google+