Хадар
There are three types of petroglyph designs at La Silla: human and animal figures, abstract geometrical designs and purely ornamental ensembles. Beside the petroglyphs there exists also a stone circle near La Silla, which is suggested as an astronomical tool. Three rocks aligned during the El Molle culture with Alpha Carinae, Beta Carinae and Alpha Centauri or Beta Centauri. This alignment occurred during late April and during May and could signal the beginning of the cold season. Farmers could have used this tool to determine when to move their herds, mostly camelidae, into their villages. There are signs of illicit excavations at La Silla since the 1990s and in 2017 some vandalism was discovered.