Windows of Knowledge

Visiting the astronauts’ space ‘house’

作者：21ST

国际空间站揭开宇宙的无穷奥秘。

THIS year is a great year for the International Space Station. The first piece of the ISS went into space in 1998. Now, 15 years has passed. But what is the International Space Station? And why is it important? Let’s find out together.

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