Ключевые слова: 23rd street, 5th, america, apartment, architecture, art, attraction, ave, avenue, beautiful, broadway, building, built, business, city, daniel hudson burnham, design, district, eastern, estate, fifth, fifth avenue, flat, flatiron, flatiron district, high, historic, historical, iron, landmark, manhattan, midtown, new, ny, nyc, scene, skyline, skyscraper, spots, state, street, structure, sunset, tower, triangular, union, united, urban, usa, york,