据估计，梵蒂冈机密档案室的书架有52英里长(84千米)，仅可供参考的目录就有35000卷。
The Vatican Secret Archives have been estimated to contain 52 miles (84 km) of shelving, and there are 35, 000 volumes in the selective catalogue alone.
在以前的排行榜中也提及过此处——这个档案室处了名字很“机密”外别无其他机密可言。
This has been mentioned on a previous list - the archives are not secret despite their names.
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