9 of 10Image
In a German agricultural field, a giant QR code was cut into the loam to mark it out on Google Earth.
According to the project creators:
“A Semacode measuring 160 x 160 meters was mown into a wheat field near the town of Ilmenau in the Land Thuringia. The code consists of 18 x 18 bright and dark squares producing decoded the phrase “Hello, world!”. The project was realized in May 2006 and photographs were taken of it during a picture flight in the following month."