NHK's 4K footage also now available.
Accsess the high-quality images from this site.
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