Question: What country located within the city of Rome,is hime to a flight of steps built by Antonio da Sangallo the Younger in the early 16th century?
Sentence (from "Vatican City"): Vatican City ( ; Italian: "Città del Vaticano" ] ; Latin: "Civitas Vaticana" ), officially Vatican City State or the State of Vatican City (Italian: "Stato della Città del Vaticano" ; Latin: "Status Civitatis Vaticanae" ), is a country located within the city of Rome.
Relevant evidence: Yes