#1271: london, swisstopo, u2
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A fascinating video displays how a biker rides all the streets of London, using a GPS receiver and QGIS
http://davis.vilums.me/all-the-streets/ -
Hidden figures inside Switzerland official maps made by witty cartographers, like analogical Easter eggs
https://eyeondesign.aiga.org/for-decades-cartographers-have-been-hiding-covert-illustrations-inside-of-switzerlands-official-maps/ -
The pictures taken by USA U2 spy planes around the world are a window to the past
https://www.sapiens.org/archaeology/satellite-imagery/
Raf