![](http://www.alamy.com/thumbs/6/05E75B01-2232-4365-B688-C9F987F5FFCA/AYPMC7.jpg)
Large number of counters seen inside the rods of an abacus
Size: 6373px × 4249px
Photo credit: © AllrightImages / Alamy / Afripics
License: Royalty Free
Model Released: No
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