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Current Structure and Ancient Remains · Mausoleum of Hadrian (Castel Sant' Angelo) · Piranesi in Rome
![File:Castel Sant'Angelo, 1569 - Archivio Accademia delle Scienze Torino, Millon 48 14 201.jpg - Wikimedia Commons File:Castel Sant'Angelo, 1569 - Archivio Accademia delle Scienze Torino, Millon 48 14 201.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/3/38/Castel_Sant%27Angelo%2C_1569_-_Archivio_Accademia_delle_Scienze_Torino%2C_Millon_48_14_201.jpg)
File:Castel Sant'Angelo, 1569 - Archivio Accademia delle Scienze Torino, Millon 48 14 201.jpg - Wikimedia Commons
Antonio Tempesta | Plan of the City of Rome. Part 8 with the Castel Sant' Angelo | The Metropolitan Museum of Art
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Castel Sant'Angelo: From Hadrian's Mausoleum to a Papal Haven & Beyond | Italian Sons and Daughters of America
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Giulio de Musi | Castello Sant' Angelo, from "Speculum Romanae Magnificentiae" | The Metropolitan Museum of Art
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