Japan has 34 national parks throughout the country. This segment features the Akan area of Akan-Mashu National Park located in Japan’s northern region Hokkaido. Our reporter, along with park rangers and nature guides, explore the secret behind Lake Mashu’s clear water and blue hue, known also as “Mashu Blue,” and the history of Mt. Iwosan, which continues to emit sulfurous gases today.
CATCH JAPAN website: https://catchjapan.jp/