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And here is the answer to the question. Fake signs Panos 2013
Panos Project 2013 is a collection of works by designers from around the world. Work of the participants in the form of non-existent road signs hung not in the gallery, and right on the streets of the French city of Lyon. This is the second version of the project, the first held under the name of Panos 2004.
Project Panos 2013