Drifting pumice stones are seen on the sea off the southern island of Okinawa, Japan
Drifting pumice stones, apparently from the eruption of an undersea volcano, are seen on the sea through the window of a commercial flight off the southern island of Okinawa, Okinawa prefecture, Japan, October 27, 2021. Picture taken October 27, 2021. REUTERS/Issei Kato