"Be quiet, be quiet, everyone be quiet, don't make noise at will!" The leader of the engineering repair team with red armband on his arm shouted and ran to Yu kuotan. He said rudely to Yu kuotan, "Why are you so brave? If you fall, you will lose your life. It's too late to wait for our rescue team to rescue you. You jump down like this. What do you do if you lose your life?"

Yu kuotan looked at this rough looking man shouting at him. He wondered whether it was the first time someone had yelled at him for such a long time. He couldn't figure out what...