Researchers at the Archaeological Institute of Kashihara have found some undiscovered remains of Takatori Castle in Nara Prefecture by conducting an airborne laser scanning survey. Working with aerial study firm Asia Air Survey Co. in Tokyo, the archaeology institute measured a 5-square-km area with laser beams from a helicopter. Based on gathered data, they then created a 3-D map of the castle and surrounding areas that shows geological features in the region in various shades of red, depending on elevation. Read more via The Sahi Shimbun
