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reach: rather globalAmerican IndiansanthropologyculturehistoryIncasmathematicsPeruwriting
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reach: rather globalanthropologyculturehistorymathematics
reach: rather globalanthropologyculturehistorymathematics
Votes
+1 Very interesting! ---
+1 Very interesting! Joschi
+1 Very interesting! Doctor Yes
+1 Very interesting! ShadowMaster