Random FactsCuriousOneMay 30, 2015Emperor, excavate, high, Level, mausoleum, mercury, qin, unsafeComment The Mausoleum of the first Qin Emperor has such a high Mercury level it may be unsafe to excavate. Random FactsCuriousOneMay 30, 2015Emperor, excavate, high, Level, mausoleum, mercury, qin, unsafeComment
