| classification:Science fiction |
| author:<Thousand Hands G |
| state:in the series |
| update:(2025-12-21 10:16:58) |
But when Xu Huasheng talked about the final doomsday fortress, Salaman's eyes became brighter and brighter. 。,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,Things of this level, building naturally have a higher difficulty.。