Rhyolite in Sandankyo Gorge, Akiota-cho, Hiroshima, 2021 2025-01-28 Last updated : 2025-02-03 地学舎マーケティング Download in full-size Rhyolite in Sandankyo Gorge, Akiota-cho, Hiroshima, 2021 by Katsuaki Watanabe 三段峡の流紋岩(広島県安芸太田町) \ Get the latest news / FacebookXBlueskyHatenaCopy