Church of San Paolino dei Giardinieri - Palermo
Square of the Grand Chancellor. Erected in the sixteenth century. By the Confraternity of the Ortolani Refurbishment in the following centuries and restored after the bombings of 1943. It was transformed into a mosque.
In-depth study: Pietro Todaro: The subsoil of Palermo - 1988. Downloadable at the following ACCADEMIA.EDU address: https://www.academia.edu/6581858/Il_Sottosuolo_di_Palermo