There is no logical explanation for the vitrification of stone forts and cities, except from an atomicblast.
除了核爆炸外，石城堡和都市玻璃化没有合理的解释。
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The tree, native to Asia, is incredibly resilient, with several surviving an atomic bomb blast in Hiroshima. Ginkgoes also stand up well to smog, road salt and pests.