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Obscure Codes

Type

Symbols

Material

Stone

Influence

Popular culture

Examples in

ArtLiteratureFilmsVideo games

Significance

Debated

Estimated age

Ancient

Excavation sites

EgyptMesopotamiaIndus Valley CivilizationMayan cities

Possible origins

ReligiousAstronomicalMathematical

Place of discovery

Archaeological sites worldwide

Obscure Codes