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A composite image includes a toxic waste dump in the background along with Putin and Trump meeting, a diagram of a human head indicating the olfactory center in the brain, and a light bulb in the shape of a hand giving the OK sign. | Original image of the bulb only by NREY – Can Stock Photo Member since Feb. 21, 2009. 2,660 images – csp2480273 uploaded on 2009-09-29