Figure 13: Piazza del Popolo detail from Giovanni Battista Falda’s 1667 map. Source: Falda, Giovanni Battista. 1667. Recentis Romae ichnographia et hypsographia sive planta et facies ad magnificentiam qva svb Alexandro VII P.M. vrbs ipsa directa excvlta et decorata est. Image from: Emory University Readux. Public Domain.