trajectory of gunfir

At this time, the roaring sound in his ears was closer, and the vibrations of the walls and floor were more obvious.,Wang Zhong discovered that there were two small windows against the wall he was leaning on, at a higher place, sunlight slanted in.,Just now I could only see the first floor across the street with my own eyes, but after switching perspectives, I can see the second and third floors even the roof. Could it be...。