∞π∆

#unique symbols #mathematical symbols #scientific notation #constants #abstract signs #delta symbol #pi symbol

☮️☯️☣️⚠️

#concept symbols #warning symbols #diverse symbols #abstract signs #ideological symbols

🏺△M〰️

#vinca motifs #neolithic pottery #geometric symbols #vinča patterns #balkan prehistory #abstract signs #danube civilization #ancient european symbols