In addition to the statue of the goddess, symbols drawn on the walls have been found in European caves of this era. Swirling patterns, zigzag patterns, snake-shaped lines, crescent-shaped semicircles, and ladders can be seen as common symbols, and a symbol showing the palm can also be seen later.

The First Signs: Unlocking the Mysteries of the World's Oldest Symbols / Genevieve von Petzinger