Ключевые слова: aoba, attractions, big city, birds, building, building district, building group, business district, chiyoda ward, city, city park, cross, department of, downtown, duck, edo castle, fresh green, green, gyokodori street, hibiyadori, hori, imperial palace outer gardens, ishigaki, japan, jogging, large migratory bird, marunouchi, migratory birds, mute swan, office buildings, otemachi, palace, park, reflection, ripple, scenery, skyscraper, sunny, swan, the swan, tokyo, tourist attractions, urban landscape, wadakura bridge, wadakura moat, walk, walking, warehouse fountain park, water, waterfowl, wild birds, wintering,