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Chapter 215 Moon Base (Part 1)
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Chapter 217 judgment of civilization
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... tal pipe nearly 1 meter thick, with a diameter of 100 kilometers, like a donut, which is very spectacular.
At 5 o'clock, about 50 kilometers away, a giant observatory is being built, and a nearly 100-meter-high astronomical telescope is being assembled and constructed;
At 8 o'clock, 80 kilometers away, there is a huge U-shaped building, which is currently in the process of infrastructure construction. A large number of construction machinery vehicles come and go, and a large number ...
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