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Tagsguano
2 places carry this tag, across every kind and continent it appears in.
🇨🇱 Chile · Rock art
Archaic to Formative (4000 BCE – 500 CE) · Taltal-Chango maritime foragers (Caleta Huelén) of coastal Atacama
Chilean coastal boulders 2,500 balsa-whale fishing petroglyphs 4000 BCE–500 CE, earliest American mariners.
🇧🇬 Bulgaria · Rock art
Neolithic to Iron Age (5000–1200 BCE) · Late Neolithic Karanovo, Eneolithic Gumelnița-Krivodol, Bronze Age Verbicioara
Bulgarian 2.5-km cave 700 guano paintings Neolithic to Iron Age with 366-day calendar.
