有關Unsolved的英語文章
> 列表未解之謎 Unsolved Mysteries
2013-06-23Overthepastseveraldecades,theU.S.,Canada,andEuropehavereceivedagreatdealofmediaandevenresearchattentionoverunusualphenomenaandunsolvedeincludeUFOsaswellassightingsandencounterswith“nonhumancreatures......