未解之迷全记录：世界地理未解之谜
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Description
本套丛书是人们用现有的科学技术手段，或者按照正常的思维逻辑以及推理方式无法解释的自然、天文、历史等现象