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.
0
投稿:2017年10月21日
_CF***71
5/5とても素晴らしい
原文に戻す
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!