When he opened his eyes, he became Li Heng, the only son of Li Jing, the famous founding general of the Tang Dynasty.
I thought I was going to live as a wealthy and idle person, but as soon as I inherited the title, I was framed by political enemies for rebellion.
Faced with the sneers of the civil and military officials in the court, Li Heng silently spread out the map: "Do you know that the Turks will attack Chang'an at this moment next year?"
That night, the emperor's secret edict was sent to the palace, announcing his entry into the palace.
And he pointed to an inconspicuous small town on the map and smiled at the imperial guard:
"Tell your majesty that if you want to defeat the Turks, you must first take this place - the name of this city is 'Gunpowder Square'."