Ключевые слова: aerial photographs, aerial photography, bank, blue sky, boat, border, chiba prefecture, city, clear, copy space, downtown, edogawa, edogawaku, high angle view, horizon, housing, ichikawa city, japan, katsushikaku, landscape, leisure boat, marin sports, overhead, real estate, residential area, river, riverside, ship, shooting, sky, small vessels, streets, tokyo, urban area,