So the images that you saw at the beginning, they are actually a flame stopped in time while it is traveling through the bottle, and you have to imagine it was flipped around 180 degrees.
你们一开始看到的那些照片， 其实是在瓶中燃烧 刚刚及时停下的火焰， 你同时要想象一下 它被翻转了180度