Another view of the Castle of Gandolfo (3 in the image) with the Palace housing the Pontiff (2 in the image), the Church of S. Tomasso Villa (1 in the image) and the lake (4 in the image).
<bdi><a href="https://en.wikipedia.org/wiki/en:Giovanni_Battista_Falda" class="extiw" title="w:en:Giovanni Battista Falda"><span title="Italian painter (1643-1678)">Giovanni Battista Falda</span></a>
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<a rel="nofollow" class="external text" href="https://library.brown.edu/projects/rome/books/240510/240562/">Brown.edu</a>