有趣。過去幾十噸 Stonehenge 是奇跡，現在300多噸的 Levitated Mass 也是奇跡。

來源: 小源於 2014-10-06 12:18:23 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.