Ключевые слова: apartment, asia, big city, blue sky, chuo ku, chuo ward, city, cityscape, clouds, downtown, high rise, houses, japan, kanto, landscape, okawabata rivercity, okawabata rivercity 21, river, rivercity 21, sightseeing, sky, skyline, skyscrapers, subcenter, sumida river, tokyo, tokyo metropolitan area, tourism, tourist, travel, tsukuda, waterfront,