Clever Postage Stamp Design: Heat Reveals Hidden Images About Climate Change
The Finnish Post Office tapped design firm Berry Creative to create this series of heat-reactive postage stamps that reveal messages about the effects of climate change when you activate them with heat (like a finger pressing on them). Each stamp tells a little two-act story about a different aspect of climate change: global temperature increase, climate refugees migrating, and endangered wildlife. Very clever design and I love the aesthetics too. (via moss & fog)
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