magura cave in bulgaria. prehistoric wall paintings drawings with bat guano.

age ancient and animals anthropomorphic balkan bat bats belogradchik big bird bovids bronze bulgaria caprids cave cavernal ceremonies customs dance deities depictions discovered dogs drawings earliest early eneolithic epipaleolithic era europe european fertility festivals figures geometric guano heritage humans hunting late linear magura neolithic paintings peninsula postpaleolithic prehistoric province quadrupeds rabisha religious representation rituals rock scenes schematic signs society stone such symbolic unesco unique vidin wall world zoomorphic