Question: 270 Park Avenue and The Spiral, are located in which city?

full_context: Document 1: 270 Park Avenue: 270 Park Avenue (also known as the JPMorgan Chase Tower and formerly the Union Carbide Building) is a high-rise office building located in Midtown Manhattan, New York City. It was designed by Natalie de Blois for Skidmore, Owings & Merrill.
Document 2: 245 Park Avenue: 245 Park Avenue (formerly American Tobacco Company Building, American Brands Building and Bear Stearns Building) is a 648-ft (198 m) tall skyscraper in New York City, New York. It was completed in 1967 and has 48 floors (1.7 million square feet). Shreve, Lamb and Harmon designed the building. The Building Owners and Managers Association awarded the 2000/2001 Pinnacle Award to 245 Park Avenue. The site used to be occupied by the second Grand Central Palace exhibition hall, which was demolished in 1964 to make way for 245 Park Avenue.
Document 3: 126 Madison Avenue: 126 Madison Avenue (also known as 15 East 30th Street) is a proposed residential skyscraper under development by Fosun Property in NoMad, Manhattan, New York City. The building will rise 47 stories or 730 feet, and is expected to be completed by 2018. J.D. Carisle Development Corp. is co-developing the project with Fosun Group, and Handel Architects is designing. The developers are planned to begin construction in the second half of 2015.
Document 4: 56 Leonard Street: 56 Leonard Street is an 821 ft tall, 57-story skyscraper on Leonard Street in Tribeca, New York City, United States. Herzog & de Meuron describes the building as "houses stacked in the sky." It is the tallest structure in Tribeca.
Document 5: Vessel (structure): Vessel is a public structure and landmark that is under construction as part of the Hudson Yards redevelopment project in the Manhattan borough of New York City. The elaborate honeycomb-like structure is designed to rise 16 stories and consist of 154 flights of stairs, 2,500 steps, and 80 landings. When complete, visitors would be able to climb the installation. Designed by the British architect Thomas Heatherwick, "Vessel" is intended to be the main feature of the 5 acre Hudson Yards Public Square once the structure is completed in 2018 at a cost of $150 million to $200 million.
Document 6: 277 Park Avenue: 277 Park Avenue is an office building in the Midtown Manhattan neighborhood of New York City. It stands on the east side of Park Avenue between East 47th and 48th Streets; it is 687 ft tall, with 50 floors.
Document 7: 750 7th Avenue: 750 Seventh Avenue is a 615 ft (187m) tall Class-A office skyscraper in New York City. It was completed in 1989 in the postmodern style and has 36 floors. Kevin Roche John Dinkeloo & Associates designed the building, and it is owned by Hines, a Texas based real estate investment company. The building's continuous helix design, culminating in a chimney-like extension, was caused by the New York City Building Code, which requires setbacks. The 84 exterior column transfers exist because of the owner's requirement for a column-free space. It is tied with the New York Life Building for the 74th tallest building in New York City. It is also LEED certified.
Document 8: MetLife Building: The MetLife Building is a 59-story skyscraper at 200 Park Avenue at East 45th Street above Grand Central Terminal in Midtown Manhattan, New York City. Built in 1960–63 as the Pan Am Building, the then-headquarters of Pan American World Airways, it was designed by Emery Roth & Sons, Pietro Belluschi and Walter Gropius in the International style. The world's largest commercial office space by square footage at its opening, it remains one of the 100 tallest buildings in the United States.
Document 9: Lever House: Lever House is a seminal glass-box skyscraper at 390 Park Avenue in Midtown Manhattan, New York City. Built in the International Style according to the design principles of Ludwig Mies van der Rohe, the building was designed by Gordon Bunshaft and Natalie de Blois (design coordinator) of Skidmore, Owings and Merrill. Completed in 1952, it was the second curtain wall skyscraper in New York City after the United Nations Secretariat Building. The 307 ft building features an innovative courtyard and public space.
Document 10: Marine Midland Building: The Marine Midland Building (also HSBC Bank Building) is a 51-story office building located at 140 Broadway between Cedar and Liberty streets in Manhattan's financial district. The building, completed in 1967, is 688 ft (209.7 m) tall and is known for the distinctive sculpture at its entrance, Isamu Noguchi's "Cube". Gordon Bunshaft of Skidmore, Owings & Merrill, the man who designed the building, had originally proposed a monolith type sculpture, but it was deemed to be too expensive. It is currently owned by Union Investment.
Document 11: 8 Spruce Street: 8 Spruce Street, originally known as Beekman Tower and currently marketed as New York by Gehry, is a 76-story skyscraper designed by architect Frank Gehry in the New York City borough of Manhattan at 8 Spruce Street, between William and Nassau Streets, in Lower Manhattan, just south of City Hall Park and the Brooklyn Bridge.
Document 12: 80 South Street: 80 South Street is a residential skyscraper proposed for construction in New York City. The building was planned for construction in Lower Manhattan, and designed by renowned Spanish architect Santiago Calatrava. However, the project was cancelled on April 16, 2008 in the wake of a declining real estate market. A new design of the building is without the spire, decreasing the tower to 826 feet, was planned to finish in 2016. China Oceanwide Holdings Limited acquired 80 South Street in March 2016, with plans to create a 113-story tower.
Document 13: Madison Square Garden Towers: The Madison Square Garden Towers were the name of proposed twin 1400 ft residential skyscrapers that were to be constructed north of Madison Square Garden in Midtown Manhattan, New York City. The project featured a complex of seven buildings, including a stadium and a new Penn Station. The cost of the project was US$14 billion. The architects Norman Foster and David Childs, and the architectural firm Skidmore, Owings and Merrill were designing the project. The owners were Stephen Ross of Related Cos. and Steven Roth of Vornado Realty Trust. The towers would have risen to be two of the tallest structures in the Midtown Manhattan skyline, with one rising higher than the Empire State Building, currently one of New York's tallest buildings at 1,250 feet (381 m) and would also have been higher than the roof, though not the spire, of One World Trade Center. The towers are essentially canceled as Madison Square Garden is going ahead with renovations of the current arena, rather than a relocation that would have made the towers possible.
Document 14: The Spiral (New York City): The Spiral is a proposed 65-floor skyscraper located in the Hudson Yards neighborhood of Manhattan, New York City. The project was announced in 2016 by real estate developer Tishman Speyer as a 1,005 foot skyscraper with 2.85 million square feet and 65 floors. The tower is being designed by Bjarke Ingels Group, the architectural firm behind One57.
Document 15: The Steinway Tower: The Steinway Tower is a supertall residential project by developers JDS Development Group and Property Markets Group in midtown Manhattan in New York City. Located at 111 West 57th Street, the development will be a combination of the original landmarked Steinway Building designed in 1925 by Warren & Wetmore, and a new tower addition on the adjacent site. The building will rise to be 1438 ft . The tower will become the most slender building in the world with a width-to-height ratio of about 1:23.
ground_truth: New York City