Hana Sitdhiras
HOKKAIDO: NAKATONBETSU LIMESTONE CAVE 中頓別鍾乳洞
At the North of Hokkaido, Nakatonbetsu Limestone Cave were found in 1933. Now it is defined as natural monument of Hokkaido. About 10...
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At the North of Hokkaido, Nakatonbetsu Limestone Cave were found in 1933. Now it is defined as natural monument of Hokkaido. About 10...