Title: Mujin heri ni yoru chō teikōdo keisoku ni yoru kūkan senryōritsu mappu no sakusei to haipāsupekutoru gijutsu ni yoru shokusei, tochi hifuku genkyōzu no sakusei
Subjects: Radioactive pollution of the atmosphere, Measurement, Drone aircraft
Places: Japan, Fukushima-ken