The Janiculum walls (Italian: Mura gianicolensi) are a stretch of defensive walls erected in 1643 by Pope Urban VIII as a completion of the Leonine wall (defending the Vatican Hill) and for a better protection of the area of Rome rising on the right bank of the Tiber.

https://en.wikipedia.org/wiki/Janiculum_walls

Janiculum walls

Istituto Italiano di Studi Germanici

Santuario siriaco al Gianicolo

Gloriette

Villa Sciarra is a park in Rome named for the villa at its centre. It is located between the neighborhoods of Trastevere, Gianicolo and Monteverde Vecchio.

https://en.wikipedia.org/wiki/Villa_Sciarra_(Rome)