A circular course with a radius of 3.14 km drawn in the center of Spain✨
Kilómetro Cero is a road marker that serves as the starting point for all roads in Spain. The plate is embedded in a corner of Puerta del Sol, a square in Madrid.
The course is an equilateral circle with a radius of 3.14 km around this plate. It is a course that allows you to fully enjoy the atmosphere of the suburbs of Madrid.
DETAIL (EXTERNAL LINK)

A PIONEER IN GPS ART.
1st work was authorized by Guinness World Records as “the Largest GPS Drawing”.
He is the only Japanese person to be featured in a Google documentary as an innovator. He is fascinated by the idea of drawing with GPS and has published more than 1,500 courses.