For Decades, Cartographers Have Been Hiding Covert Illustrations Inside of Switzerland’s Official Maps.

eyeondesign.aiga.org/for-decad…

"As Juerg Gilgen, a current cartographer at Swisstopo, told me “as a matter of fact, the proof-reader is also just a human being prone to failure. And cartographers are also just human beings trying to fool around.”"

Wonderful, wonderful stuff.

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