Examples from the Web for cortona
They had now reached a place formed by nature for an ambuscade, where the Trasimenus comes nearest to the mountains of Cortona.The History of Rome; Books Nine to Twenty-Six|Titus Livius
Pietro da Cortona also contributed some good scholars to Genoa.The History of Painting in Italy, Vol. V (of 6)|Luigi Antonio Lanzi
Enclosed by a ring of old walls, like Cortona, it “lifts to heaven a diadem of towers.”The Mediterranean|T. G. (Thomas Gray) Bonney, E. A. R. Ball, H. D. Traill, Grant Allen, and Arthur Griffiths
The painting however dates from the days when Cortona was still Etruscan.
And, if the walls are less perfect than those of Cortona, they have something that Cortona has not.