I built the underground Noah's Ark

In 2027, Blue Star was discovered by aliens.
In 2033, human beings were invaded by aliens, and Blue Star changed hands.
Ye Linsheng, who was reborn in 2025, found that he had less than two years to save human civilization.
There is a huge disparity in scientific and technological strength, and within two years, it is simply impossible to confront.
Ye Linsheng chose the boldest and craziest way: to build a human dungeon at a depth of [-] meters...

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