An atlas of Earth’s mysterious places — megaliths, pyramids, lost and sunken cities — with the evidence shown plainly: what is verified, what is contested, and what is still unknown.

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Places tagged “guano” in Bulgaria · Mysteria

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Places tagged “guano” in Bulgaria

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🇧🇬 Bulgaria

#guano

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🇧🇬 Bulgaria · Rock art

Magura Cave Paintings

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.