"Boom, boom, boom!" More than a dozen grenades exploded in the zombie crowd one after another, tearing apart a piece of zombies. Countless pieces of minced meat and offal, mixed with yellow-brown dirt, fell from the sky.

"Hit~" Cheng Sen lay in the trench, and after the smoke cleared, a typing exit took the lead in pulling the trigger!

One by one, the walking corpses fell, and the numerical advantage was wiped out in the heavy rain of bullets. After launching two attacks, the zombies saw that they could not pose any threat to the humans on the opposite side, and left hundreds of corpses of the same kind and retreated. In the past, they would have been attacking until a zombie in Zuihou fell. But now, these zombies are not so stupid, and they know to retreat even if they can't beat them.

He straightened up from the trench and looked at the zombie corpses dozens of meters away. Cheng Sen was not happy that he had repelled the zombies, on the contrary, his heart became heavier and heavier. He believed that it wouldn't be long before the retreating zombies would reveal their whereabouts to all the people in the vicinity. At that point, he will have to face more than just the walking corpses. The base camp will be attacked by more powerful and advanced zombies.

"Fat Tiger, take the brothers to see if there are any remaining zombies. Also, dig a big pit and bury them. Cheng Sen leaned against the muddy trench and slowly said to the fat tiger beside him.

Fat Tiger and Jiang Chibing took two squads of soldiers to dig for three hours before digging a large pit that could accommodate these hundreds of zombies. After throwing those zombies into the pit one by one, backfilling them with dirt, and trampling the dirt in a circle, the sky was already dark!

"Pull up the wooden bridge and watch out at night. You have these flares in your hand, and you have them ordered to come and fire them every once in a while. Cheng Sen shook the mud on his trouser legs, turned around and took a few flares from Xu Si's hand, stuffed them into the fat tiger's hand and instructed him!

"Squeak Quack~" Several soldiers turned the roulette wheel under the high platform, and the two wire ropes tied to the wooden bridge were stretched straight. With the force of the wire rope, the wooden bridge erected on the trench slowly erected. At this moment, the trench has become a wide moat, providing the first line of shelter for the soldiers and the base camp standing guard.

Fat Tiger carried two torches soaked in diesel fuel in his hand, lit them with lighters, and inserted them diagonally on both sides of the wooden door under the high platform, providing basic lighting for the soldiers.

"The zombies are repulsed? Has anyone been hurt? Cheng Sen walked into the air-raid shelter covered in muddy water, and before he and the soldiers sat down, people gathered around him and asked with concern!

"It's okay, it's okay!" Cheng Sen waved at the people with concerned faces.

"Sui'er, Sui'er? Hurry up and boil the water, look at Brother Sen's mud. Su Linglong took a towel over, helped Cheng Sen wipe the muddy water on his face, and turned his head to Meng Sui'er, who was standing behind him, and commanded.

"Everyone sit down, this wave of zombies has been repelled today, I estimate that it won't be long before a large number of zombies will come to attack us! Therefore, we must strengthen the fortifications in front and speed up the construction of the fortifications in the back mountains before they arrive. I will leave this matter to Jiang Chibing, you are responsible. Tomorrow, pull a wire out, and I ask for lighting at night within 50 meters of the trenches. For lamps, you use incandescent lamps with waterproof lampshades. Also, all the trees 50 meters in front of the trench were torn down and not a single one remained. There won't be a lot of time left for us, three days, can we do it in three days?" Cheng Sen lit a cigarette and said to Jiang Chibing!

"To ensure the completion of the mission, I have an idea, which is to take this opportunity to plant some mines on both sides of the gravel road in the forest. In this way, as long as the zombies enter the forest, they will always step on a few thunders, which will not only cause them a certain amount of damage, but also allow our soldiers to have an early warning. It's just that in the future, everyone will only be able to follow the gravel road in and out of the forest, so everyone needs to pay attention! Jiang Chibing stood up straight and saluted Cheng Sen!

"You go and arrange it, it's still what I said before, try to make a mark in the place where the mine is buried, lest no one remember where the mine is buried after a long time! You have to hurry up about the lighting, the fat man and they are there at night with a few torches! Cheng Sen said to Jiang Chibing. Judging from the battle in Jiangcheng, the zombies already have the ability to fight at night. If you don't solve the lighting at night as soon as possible, once the zombies choose to attack at night, they may be caught off guard by the base camp. Besides, Cheng Sen doesn't think that zombies are all brain-dead now, at least he has a one-eyed zombie before, and he has a certain command ability! A group of monsters that are not afraid of pain and death, plus a monster who knows how to command, the combined power of the two is not as simple as just one plus one.

"Done! I'll arrange for someone to take care of the lighting thing early tomorrow morning. In addition, the terrain of the back mountain is more complicated. So I'm going to dig some hidden shooting holes out of the culvert and build the fortifications directly inside the bomb shelter. As for the entrance to the cave, camouflage to hide the entrance should be much better than building fortifications outside. This allows us to save troops and not have to send additional soldiers to stand guard outside. Second, the entrance to the cave is hidden, and even if there are zombies, we may not be able to find us. Jiang Chibing hesitated for a moment and said his thoughts. If Cheng Sen nodded, then he and Fat Tiger would only need to focus on strengthening the defense in front of the base camp. Even if something goes wrong in the back mountain, the people in the bomb shelter can rush to those pre-dug shooting holes within 10 minutes and shoot at the enemy outside!

"Yes, you can do it! However, the shooting range of the shooting hole must be open. First, there must be no blind spots for shooting, and second, it must be built to be hidden. Can it be done? Cheng Sen agreed with Jiang Chibing's idea, and at the same time put forward two requirements for him!

"Guaranteed to complete the mission!" Jiang Chibing saluted and replied loudly.

"Okay, that's it, everyone has worked hard today! After dinner in the evening, let's continue to watch the show. Don't be bitter, a little walking corpse, you can't help us! It's the first day of the Lunar New Year, and the big guys are happy, just now it was the zombies who gave us a New Year's greeting. Cheng Sen looked at the solemn faces of the people around him, clapped his hands and smiled!

"What Brother Sen said is, what should we do, what should we do. Come on, come on, play poker. Perhaps Cheng Sen's words played a role, and people's faces looked much better. Either they started playing poker, or they were smoking cigarettes and talking about it, and the solemn atmosphere before was gradually gone!