Becan (600 AD-900 AD)
Campeche, Mexico
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The dry moat is one mile in circumference with 7 entrances s






 



Causeway across the fortified moat built in the Early Classic period.
 The moat had seven entrance causeways three yards wide.

 

The moat was also used to store rainwater.


   
The moat, now eroded, was 38-feet deep.