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Lichtreise [incom.org] by Advanced Media students Christopher Pietsch and Luis Grass is a visualization of a specific holiday itinerary. What makes this work special, is how simple non-digital technology has been used to generate the map: the basis is a long-time exposure picture, which was lit with a physically moving batter-powered UV-LED light and a battery. The map itself was lit in a separate step, which all combined resulted in a beautifully "rendered" infographic.

Via @tillnm.

See also:
. Visualizing Data using Long-Time Exposure Photos
. Materializing the Distribution of WiFi Strength as a Physical Bar Graph
. Visualizing the Readable Volume in the Field of a RFID Reader