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Chapter 704 training astronauts
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Chapter 706 unicorn supercar
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... ing a huge building.
The scale of this building is no joke. The height is designed to be more than 150 meters, not including the height of the underground, and the length and width are even more.
To a certain extent, this is also a great project.
Because of the interior of this building, there must be enough space to complete the future space operation training simulation.
Even if you just dig out the foundation and build the walls and domes on the four sid ...
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