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Light Pollution

A black poster with a 3x3 grid of dim night cityscapes under dense starry skies and the Milky Way. Top text: "These photograhs by Thierry Cohen show us what we would see at night if there were no light pollution." Labels: New York, Los Angeles, San Francisco, Shanghai, Rio de Janeiro, Paris, Hong Kong, São Paulo, Tokyo. Bottom text: "This week is International Dark Skies Week. Please show your support by lighting…