Nolan Meng's Timeless Tales Chapter 155

In the seventh month of the third year of Yongle's reign, several loud noises suddenly came from the outskirts of Nanjing.

The residents in the city stopped what they were doing and looked up in the direction of the loud noise. When they saw black smoke rising and lingering for a long time, they knew that the Ordnance Bureau and the Warfare Bureau were testing cannons again, and they felt in their hearts. Clearly, I still do what I should do without any influence.

Since the second year of Yongle, the Military War Bureau and the Ordnance Bureau have often tested firearms outside the city, and everyone has long been used to it. It would be strange to not hear such a loud noise in any month.

However, today's gunfire seems to be louder and denser than in the past. It's not surprising that it either has multiple cannons firing continuously or that it has built a cannon that is more powerful than the general.

When the foreign envoys in the hall heard the loud noise, they gathered in the courtyard one after another. Looking at the direction of the wind coming from the loud noise, they were frightened.