TOKYO_SUNRISE-06:16 SUNSET-17:33 MOON-02.5 DAYS _ Did early humans in India survive a supervolcano? https://www.nationalgeographic.com/science/2020/02/did-early-humans-in-india-survive-a-supervolcano/ 二・二六事件の日, 脱出の日, 咸臨丸の日…