Ключевые слова: aerial view, blue sky, city, copy space, downtown, drone, during the flight, edogawa, edogawaku, electric, electronics, helicopter, hobby, hovering, japan, leisure, model, motor, multicopter, outdoor, propeller, quad computer, radio control, rc model, rc model helicopter, recreation, riverbed, shooting, skyline, small unmanned aerial vehicle, technology, tokyo, tokyo prefecture, urban area,