Stop One. Stop Them All. is a new campaign for World Wildlife Fund, designed by Leo Burnett Sydney. Explanatory photography reminds us that poaching and the endangered species black market exist only because there are clients and buyers for these products. The pyramid analogy demonstrates that everyone in the chain is responsible, and if you can help WWF remove one person, the pyramid will collapse.
It is argued that the same goes for the antiquities trade.
Here's a bigger online version.