Frost flowers seen on Lake Akan in Kushiro, Hokkaido.
Frost flower is the name given to the rare ice formations which emerge on the surface of the lake ice from water vapor sublimated from the ice into the cold air above.
Underwater: manta rays, the most graceful swimmer in the Okinawa oceans
Drone shot: autumn at Onuma Quasi-National Park in Hokkaido
Amazing rocket launch moments in Japan
Festivals in Japan: Aomori Nebuta Festival
Underwater: northern sea lions flock to a tiny island