trajectory of gunfir

The next moment, Wang Zhong saw the source of the vibration and roar - the tracks.,The rumble of the tanks was already gone, but gunfire could still be heard in the distance.,Their house had a transparency feature, allowing Wang Zhong to see through the roof and the floors of the first and second story to observe the basement. He wondered if he could switch the displayed floor to see what was happening on the first floor.。