By chance, the interstellar courier Dongxin came to the Tang Dynasty in another time and space.
Looking at a cargo ship full of colonial supplies, Dong Xin fell into deep thought.
Turning around, he watched the heroes and heroines from all walks of life flying over the walls and dancing with joy in the arena.
Dongxin told Li Shimin that the world needs science.
Opening a mountain gate, establishing a sect, martial arts? Immortal magic?
No, what I teach here is how to pilot space battleships and mechas.
