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The necropolis of Sas Concas is a prehistoric archaeological site located in the municipality of Oniferi, in the province of Nuoro, Sardinia.
 | |
| Location | Oniferi, Sardinia, Italy |
|---|---|
| Type | Burial |
| History | |
| Periods | Chalcolithic |
| Cultures | Pre-Nuragic Sardinia |
The complex is composed of twenty domus de janas dug into the trachyte and dated to the third millennium BC (Abealzu-Filigosa culture). One of its main features are the petroglyphs depicting the "upside down", a stylized human figure upside down, engraved in two domus de janas.
The site has been the subject of excavations in the 1960s and the 1970s.