Shao Ming pulled the trigger and blasted a mutant off the front of the train.
Due to the obstruction of the preceding train, the headlights could only illuminate a very small area, and most of the other areas were plunged back into darkness.
As the train continued to speed deeper into the cave, the surrounding air had become increasingly murky and foul-smelling.
Shao Ming shot another mutant that was climbing up, and when it fell, it took two of its companions beneath it and they were all swallowed up by the darkness.
Fortunately, as the speed of the train increased, the mutants could no longer climb onto the roof from the sides.
The threat hadn't been lifted yet. With the two trains connected end to end, the mutants began to crawl towards Shao Ming through the windshield in front of the train.
Inside the train, Lambert and Feng Yusheng saw, through the windshield, the distorted faces of the mutants pressed tightly against the glass under the pressure of the wind.
Shao Ming didn't dare to shoot with the shotgun again—for fear of accidentally shattering the windshield. He drew the pistol from his waist and shot through the heads of the two mutants at the front.
Shao Ming didn't know how fast the train was going at the moment, but he knew that his eyes were stinging painfully from the wind.
However, soon, he didn't have that feeling anymore.
As the train drove deeper into the submarine tunnel, the ventilation equipment, which hadn't been maintained for a month and had already lost power, had long stopped working, and the air in the tunnel was getting thinner and thinner.
The two people inside the train began to feel dizzy. Lambert increased the speed of the train again.
Shao Ming outside the train also felt chest tightness, weakness, and had difficulty breathing. He couldn't even hold the gun steadily in his hand.
His body was desperately trying to breathe faster, but there was hardly any oxygen left in the surrounding environment.
Coupled with the fact that he had hit his head and his ears hadn't recovered from the noise yet, Shao Ming was feeling extremely uncomfortable at the moment.
But he was still 坚持 shooting at the mutants climbing onto the train.
He was silently counting the time in his heart. Ten minutes, as long as he could hold on for ten minutes, there should be oxygen again.
The train had been traveling in the tunnel for ten minutes before encountering the mutants, and then after a while of fighting, it began to lack oxygen. This place should be the deepest part of the tunnel.
Shao Ming noticed that the mutants' movements also began to slow down. It seemed that although they had become monsters, they still couldn't escape the limitations of the human body.
However, the mutants were somehow numbed by the virus at least, while Shao Ming could only rely on his own willpower to compete with them.
If he passed out at this time, he, along with the two people and a dog in the train, would all be devoured by the mutants.
Lack of oxygen was far more deadly than the mutants.
At this moment, Shao Ming couldn't even think about how the mutants could survive in such a low-oxygen environment. Perhaps it was due to the influence of a hibernation mechanism, or perhaps it was the paralysis caused by the virus. At this moment, he just felt that he was about to pass out.
Even the murky and foul smell that he had just smelled dissipated in his nostrils—it wasn't that the air had improved, but that his mind was getting muddled.
Fortunately, there wasn't a complete lack of oxygen in the tunnel. It was just that there were too many other polluting gases. The hundreds of mutants in the preceding train were also competing for oxygen, and the amount left for the few of them in their lungs was extremely low.
The two people inside the train had already passed out and there was no movement.
Scenes like a revolving lantern began to appear in Shao Ming's mind. He saw his family thousands of miles away, saw Li Long who had died miserably in bed, and saw the blood-red eyes of the mutants. Then, those happy scenes began to emerge in front of his eyes again, the smiles of his family, the mutual help among himself and his two companions on the road of survival...
His heartbeat gradually slowed down, and he didn't have the strength in his fingers to pull the trigger. All that remained in his eyes was the image of the mutants slowly climbing onto the roof of the train.
Was it all over...
Suddenly, Shao Ming felt that he could breathe again.
Although the air was still just as murky, the oxygen content had obviously increased.
Shao Ming's breathing became rapid again. Oxygen flowed into his lungs through his mouth, and his brain began to come to its senses.
Without thinking too much, Shao Ming raised his pistol and pressed it against the head of the mutant that had already climbed in front of him.
The submarine tunnel, which usually took thirty-five minutes to pass through, was almost at the exit after twenty minutes.
When Lambert passed out, his hand was still on the speed control handle. As he fell forward when he passed out, he accidentally pushed the train to full speed.
Shao Ming smelled the murky smell in the air again, and he felt the wind whistling past his face again.
He probably never thought in his life that there would be a time when he would think this smell was pleasant.
Shao Ming set up the machine gun and pulled the trigger at the carriage of the preceding train.
The bullets pierced through the iron sheet on the roof of the carriage and shot into the carriage.
Shao Ming didn't know how many mutants he could kill like this. His brain hadn't fully recovered yet.
At this moment, there was a slight bend in the front of the railway tracks.
The train, which was traveling at full speed, directly pushed the preceding train out of the tracks and crashed it into the tunnel wall.
Since the front of the rear train hadn't slowed down yet, the preceding train went along the tunnel wall for a circle and then overturned and fell down.
Even so, Lambert still hadn't woken up, and the front of the train they were on was still pushing the carriage forward with all its strength.
The front carriage was pushed into a "Z" shape by the overturned front of the train, and the roof and the front of the train were scraping sparks on the tunnel wall.
Fortunately, the content of combustible gases in the tunnel wasn't high at this moment. Otherwise, these few train carriages would probably be submerged in the tunnel forever.
Also fortunately, Shao Ming and Lambert had lengthened the front of the train, and the coupler wasn't connected to the preceding train. Otherwise, their train would also be doomed.
The dark tunnel was illuminated by the sparks. Shao Ming saw that the preceding train was almost lying horizontally and stuck in the tunnel, being pushed forward.
Shao Ming left the roof of the train and crouched down. Suddenly, he fell off the raised platform.
He covered his aching and dizzy head and got up. He reached out his hand to try to wake up the already unconscious Lambert.
The tunnel began to turn again. The front of the preceding train was almost lifted up by the push, rubbing against the top of the tunnel and blowing up the emergency lights one by one.
Shao Ming desperately shook Lambert. He reached out his hand to feel Lambert's nostrils, and the latter's breathing had slowly started to recover.
There was light coming from the end of the tunnel. The exit was not far away.
Seeing that he couldn't wake Lambert up for a long time, Shao Ming could only pull Lambert's hand away by himself and pull the handle all the way down. But the deceleration was still too slow, and the curve was still going on. Once they lost the obstruction of the preceding train, they were also very likely to regain high speed and rush out of the tracks.
Shao Ming saw the red button beside the console and slammed it hard.
The emergency brake was activated. The wheels of the train made a screeching sound on the rails, and the braking system finally began to slow down.
The front of the preceding train had already left the tunnel and fell heavily onto the rails. Since the end of the tunnel was still a curve, the preceding train was completely pushed out of the tracks.