Because the opportunity to draw oil and water finally came. After 30,days of hard work, the team finally reached Cloud City. Surprisingly, the area that used to be crowded was now deserted. Even the owner of the tunnel was less than one-third of what it used to be. Until now, they finally understood the seriousness of the disaster. He was really lucky to survive. With decades of cooperation, Li Yao easily talked with the gate guard. It turned out that due to the disaster of the grassland, the number of caravans that returned to the city recently was less than one tenth of the past years. Just like this, the gate guard weighed the weight in his hand and did not intend to let them go. Instead, he said in a strange tone, "You know, the leather in the city has been confiscated. In order to

