"Tokyo Circle Walk" is an art work (GPS Drawing) in which the actual trajectory of movement is recorded using GPS data. "Tokyo Circle Walk" is a GPS record of a journey on foot along roads and public spaces within a radius of 3 kilometers, centered on the "Japan Road Sign" embedded in Nihonbashi, the center of former Edo and present day Tokyo. The first in the "Circle Walk" series, it was produced on March 14, commemorating the Pi day. "Circle Walk" is a series of works that records the expression of the land on GPS by moving around the area according to common rules. Artist: Yassan Born in Saitama, Japan in 1977. He started GPS painting after a marriage proposal and holds a Guinness World Record. His spectacular land art has traveled around the world, and as a pioneer in the GPS art world, he has created many record-breaking works.