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Hollow Onion
Science Fiction空心的洋葱
Writerjf7mn0
18K0
Where do UFOs on Earth come from? The earth is so big, why do humans only stay on the surface of the earth? It is said that solar energy is an inexhaustible energy source, but why don't we directly claim the geothermal energy in the center of the earth?
Science Fiction
18K0
Where do UFOs on Earth come from? The earth is so big, why do humans only stay on the surface of the earth? It is said that solar energy is an inexhaustible energy source, but why don't we directly claim the geothermal energy in the center of the earth?