ポスト

20. A pyroclastic flow is a rapid current of hot gas and volcanic material that can reach speeds up to 700 km/h. This flow originated from the Unzen volcano during its 1991 eruption. https://t.co/gBUqHOvsPg

メニューを開く

人気ポスト

もっと見る
Yahoo!リアルタイム検索アプリ