"The Northern Song Dynasty was short of horses, generals, and time."
In the lecture hall of the National Defense University, Shen Zhixing used chalk to draw a scarlet × on the six words "Yanyun Sixteen Prefectures".
The next second, his chest felt like it was being severed by a blunt knife - he saw himself falling on the podium, and the last picture in his pupils was the unclosed PPT on the screen:
[If you were asked to return to Bianjing a hundred years early, could you prevent the Jingkang Incident from happening again?
At the end of the darkness, there was the sound of chess pieces falling.
"It's your turn, sir."
