In the midst of the downpour, short boots stepped on puddles, splashing up shallow ripples that quickly merged with the dense rain drops, not stirring a single ripple.,"Later, I'll give each of you a portable camera. Turn on the recording function and for the next four hours, you will be moving around various areas of the factory with your cameras. You can only stop recording to use the restroom. After four hours, if you haven't left the factory and your recording hasn't been interrupted for more than five minutes, you pass.",That peaceful tone gave him an inexplicable chill.。