The biggest pothole in Nagatoro of Japan
By Takashi
This page which is based on the information from 'THE UNIVERSE(THE SKY)=SORA' is made by HONO who is one of the fellows of THE UNIVERSE(THE SKY)=SORA.
The pothole in Nagatoro(Saitama Prefecture )
http://sora.ishikami.jp/image_dir/index.php?id=20070624222355
http://sora.ishikami.jp/image_dir/images/2007/20070624222355.jpg
The biggest pothole in Nagatoro of Japan
It is explained that it was made by being scraped off by pebbles.
However it is the hole like the clear cylinder.
The explanation is very irrational.
http://slicer93.mbsrv.net/88-1034.html