December212012markst的知识精选

December21,2012marksthecompletionofthe5,125yearGreatCyc...
问题详情:December21,2012marksthecompletionofthe5,125yearGreatCycleoftheAncientMayaLongCountCalendar.Ratherthanbeinganend-point,thiscyclethatisclosingisnaturallyIfollowedbythestartofanewcycle.Whatthisnew...
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