As long as the mysterious reward dares to give, not to mention an improved version of a rifle, even producing a 99A tank wouldn't be out of the question.
...
After a grand celebration, the natives, like a group of diligent little ants, began to transfer materials from the cave dwelling to the factory bit by bit.
The cave where Chen Zhou had lived for three years quickly became empty, with carts shuttling back and forth.
And the factory, located in a sunny place, a more solid and larger residence, was gradually being decorated.
A gray-white patchwork carpet sent by the mysterious reward added some new color to Chen Zhou's room.
In this modern building, the ancient 17th-century exhibits always seemed so out of place. Entering Chen Zhou's room, one might even experience a sense of temporal dislocation.
...
Moving was a tedious and lengthy process.
The items that could be moved casually were easy to deal with; the problem was that Chen Zhou also kept some living creatures.
