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Con.belt: right-animals grown with excessive chemicals; left-cheap meat(up),chemicals(down-HIDDEN)
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Solution

My solution presents industrial conveyor belt: right side - animals grown inappropriate, eg. with excessive chemicals, entering the supermarkets, left side - cheap meat on top of the conveyor belt and chemicals below, because it symbolizis something that needs to be hidden due to the bad impact on human health and the environment. .

Campaign Scaleability

Other versions of my idea and the billboards examples.