The Yu Ji Tu, or “Map of the Tracks of Yu”, carved…

470bb8d39739d0ec7ccbdaef8ded3505c94e62a6

The Yu Ji Tu, or “Map of the Tracks of Yu”, carved into stone in 1137, located in the Stele Forest of Xi’an. This 3 ft squared map features a graduated scale of 100 li for each rectangular grid. China’s coastline and river systems are clearly defined and pinpointed on the map.