The necropolis of Su Crucifissu Mannu is an archaeological site located in the municipality of Porto Torres, Sardinia.
The necropolis includes at least twenty-two domus de janas, all made in the period between the Neolithic and the Copper Age and intensely used until the time of Bonnanaro culture.
Some internal chambers are decorated with symbolic elements and architectural elements typical of the period, carved in relief in the rock.
Wikipedia https://en.wikipedia.org/wiki/Necropolis_of_Su_Crucifissu_Mannu
Address (Unnamed Road), 07046, Italy
Coordinates 40°48'37.052" N 8°26'38.953" E