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墨西哥建地底金字塔

墨西哥欲建一座地底金字塔, 深入地下300米, 65層, 型狀會是一個倒金字塔,要挖空地底這個深度而又不影響附近建築物的地下結構, 有這個可能嗎?

By rachel ma  (graduate) on 2011-10-18  Answers 0   Views 40

i can answer

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