classification:Science fiction |
author:<Thousand Hands G |
state:in the series |
update:(2025-01-23 07:13:39) |
The doomsday fortress, which can withstand nuclear strikes and allow people to survive for a long time in the underground city, does such an underground city really exist,Although Saudi Arabia is wealthy, it has spent a lot of money buying things from China over the past two years.,And there are satellites, this is something only big countries can afford, small countries can't afford satellites.。