Japan
Akita Prefecture
Kazuno City
Osarizawa mine
Ehime Prefecture
Inland Sea
Iwagi Island
Honshu Island
Chubu Region
Aichi Prefecture
Shinshiro city
Nakauri mine
Chugoku Region
Okayama Prefecture
Takahashi City
Bitchu-cho
Fuka mine
Kinki Region
Shiga Prefecture
Konan City
Ishibe
Haiyama quarry
Kyushu Region
Nansei Archipelago
Kagoshima Prefecture
Mishima village
Satsuma-Ioujima
Saga Prefecture
Karatsu City
Hizen-cho
Tokyo Prefecture
Izu Archipelago
Hachijo Island