![December21,2012marksthecompletionofthe5,125yearGreatCyc...]( "December21,2012marksthecompletionofthe5,125yearGreatCyc...")
- 問題詳情：December21,2012marksthecompletionofthe5,125yearGreatCycleoftheAncientMayaLongCountCalendar.Ratherthanbeinganend－point,thiscyclethatisclosingisnaturallyIfollowedbythestartofanewcycle.Whatthisnewcyclehasinstoreforhumanityisamysterythathasyettoun...
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