Untangling an Accounting Tool and an Ancient Incan Mystery

IncaMystery

Click Here to Read: Untangling an Accounting Tool and an Ancient Incan Mystery by William Neuman in The New York Times on January 2, 2016.

Patricia Landa, an archaeological conservator, painstakingly cleans and untangles the khipus at her house in Lima.
WILLIAM NEUMAN / THE NEW YORK TIMES