On one Japanese island, everyone always carries a gas mask
Scenes from Miyakejima can look downright post-apocalyptic. Each resident on the tiny Japanese island is required to carry a gas mask, just in case they need to quickly pull it on. But why? Miyakejima, which lies 180 km south of Tokyo, is home to Mount Oyama, an extremely active volcano. In June 2000, Mount Oyama…
