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Japan castle gets laser scanned

Japan: Hidden ruins of one of the largest mountaintop castles in Japan have been uncovered with the help of an airborne laser scanning survey. Many of our viewers would be aware that this scanning technique creates 3D images of the configuration of the ground by sending airborne laser beams to the surface and measuring how long it takes for the reflected beams to return. The Takatori castle is 600 years old and is located in Nara Prefecture in the Kansai region of Japan. Nara University President Yoshihiro Senda is positive that the landmark findings will be useful in preserving, managing and using the ruins of the castle.

Source: Asahi