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... that there are rock paintings around Potrok Aike lake, an important source of water in the region?
Source: [www.scielo.org.ar/scielo.php?pid=S1852-48262018000300003&script=sci_arttext "la laguna es una de las grandes fuentes de agua permanente de la Patagonia meridional""Las representaciones rupestres registradas en la cueva 1 y reparo"]