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Marina De Franceschini - Giuseppe Veneziano
"Archeaostronomia nella Villa di Tiberio a Sperlonga"
The discovery of the Astronomical Orientation of the Grotto of Tiberius at Sperlonga (Latina, Italy).
The special illuminations during the Solstices, and their symbolic meaning.
Paper in Italian Language published in 2019, in the Proceedings of the 21st Seminar of Archaeoastronomy held by the Astronomical Observatory of Genoa (Italy) e by Alssa, 2019 pp. 9-29