Site of adit
Ananai mine, Nankoku city, Kochi Prefecture, Japan
Site of adit in Ananai Mine (Matsukabu deposit).
This site is, perhaps, Matsukabu-Honkou (main adit of Matsukabu deposit).
The site is a large ditch (approx. 2-3 meters in width, 3-4 meters in height), the mining tunnel is collapsed.
© Hiroaki TANO