cuneiform or hieroglyphs of ancient civilization carved on old stone wall. undeciphered signs like sumerian, babylonian and

cuneiform hieroglyph puzzle mystery riddle old vintage sumerian babylonian egyptian sign ancient mesopotamia writing script antiquity artifact background babylon carved civilization cryptography east egypt encryption history historical inscription language letter middle science stone sumer symbol text texture wall wallpaper archaeology archeological damage undeciphered encrypted treasure system cipher secret pattern hieroglyphs wall signs like writing concept secret generative