Globe Museum. This collection is only in the Geoscience Research Institute of my sister. All the collections here in Changping are very rich. You can learn a lot from visiting different countries. Um.
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發佈日期:2017 年 10 月 21 日
_CF***71
5/5極好
原文
Austrian scientist Wigner put forward the theory of plate drift. It took us several hours to see different globes at different times. Human creativity is amazing!