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Just before retiring in 2011, Swiss cartographer Paul Ehrlich hid a drawing of a marmot in a map of the Aletsch Glacier. Hidden drawings are something of a tradition in Swiss maps.
Read the original articleJust before retiring in 2011, Swiss cartographer Paul Ehrlich hid a drawing of a marmot in a map of the Aletsch Glacier. Hidden drawings are something of a tradition in Swiss maps.
Read the original article