Gradually, his eyes finally adjusted to the light here, and he gradually saw the scene around him clearly, and when he saw this big hole, he couldn't help but gasp.

It was a large, deep underground cavern, which seemed to be endless as far as the eye could see, because it was pitch black at the depths, and the soft mud beneath the feet was unusually damp, filled with a strong smell of rust, oil, and rot and mildew.

And next to Zhao Hui is a wall more than ten meters high across the entire cave, extending from one end of the cave to the other in the darkness, I don't know how high the top, there is a small hole, and the slightest ray of light shoots down from it.

"There was light coming down from that little hole at the top, and it looks like I should have fallen from there, and then fell into this high wall, and then rolled down the high wall, and there was a second fall."

Zhao Hui kicked the high platform with his foot, making a dull metal crashing sound.

"What? It was so hard that it hurt a lot, but it sounded strange, not like the sound of the soil or the walls of the cave or the rocks, but like metal. ”

Zhao Hui was curious, and couldn't help but turn around the high wall, this underground cave was unusually vast, and very high, turning the whole cave around, Zhao Hui found an amazing thing.

The high wall in front of you, where is the ordinary wall, its shape is a huge cylindrical metal object about ten meters high and more than fifty meters long.

"How does this thing look so similar to an underwater mech?"

But no, one end is round, the other end is like the tail of a bullet, the stabilizer wing, the propeller and the blade of the fan, the more you look at it, the more it looks like an underwater mecha, Zhao Hui has seen a photo of an underwater mecha, and this thing in front of him does look like an underwater mecha.

Although it is also very similar to a quality bullet, how can there be a quality bullet that is more than ten meters high and fifty or sixty meters long?

"Rust and the smell of oil, I can't tell if it's an underwater mecha." Zhao Hui was taken aback, and hurriedly took a few steps back, before absorbing the iron knife with his right hand, the feeling that was worse than death, he never wanted to experience it again.

If he absorbed such a large underwater mecha like an iron knife, then Zhao Hui shuddered and didn't dare to think about it anymore.

"No, you have to get out quickly, if you stay here without food or drink, you will be sleepy."

Zhao Hui began to get anxious in his heart, and began to search carefully to see if he could find another exit, but after careful inspection, the exit was not found, but traces left by humans were found.

In one corner, Zhao Hui found a rusty shovel, a few clothes that were almost rotting, and some messy things, express magazines, and canned food.

"It seems that this underwater mecha should have been buried here, but I don't know which underwater mecha in this area it is? Also, why would they want an underwater mech buried here? What's the secret?"

Underwater mecha, since the First Galactic War, has been widely used, in the Second Galactic War Lauder amplified its function, so it is widely used for military purposes, is recognized as a strategic weapon, its development and manufacturing requires a high degree of and comprehensive industrial capacity, at present, only a few of the region can design and produce on its own.

It's not hard to imagine that the cost of an underwater mech is very expensive, so why would anyone bury an underwater mech here?

Zhao Hui felt extremely puzzled, but he was not in the mood to doubt these things now, because Zhao Hui had discovered something that made him very desperate, and that was the shape of this hole.

It is better to say that it is a cave than a tall underground tunnel specially used to bury this underwater mecha, this tunnel is at least twenty or thirty meters high, even if Zhao Hui can climb the underwater mecha ten meters high, it is also ten meters away from the entrance of the cave at the top.

At a height of more than ten meters, how to get out with nowhere to borrow?

"Am I really going to die here?" Zhao Hui's face was ugly, his heart sank to the bottom, the sky outside gradually darkened, and the light transmitted from the hole at the top became darker and darker.

"Boom la la ......"

At this moment, a splash sounded, Zhao Hui looked up, and vaguely saw a stream of water flowing down from the small hole at the top, the water flow was not very large, only a small one, intermittent, but then a large stream of water fell from the hole, and it became bigger and bigger.

Staring at the falling seawater, Zhao Hui's mind flashed, and his eyes gradually lit up.

"Sea water? Maybe there's hope to get out. ”

Zhao Hui couldn't help but be happy, he thought of the possibility of going out, as long as there was continuous sea water flowing down, and then filling this cave, wouldn't he be able to get out?

According to his estimates, the hole at the top, which is located on the shore, will allow the sea to overflow the hole if there is a big wave, and then the water will flow into the cave.

"Now I hope that the tide will rise, and if the tide rises, the hope of going out will increase greatly."

With his eyes firmly fixed on the entrance of the cave, Zhao Hui clenched his fists and looked eagerly looking forward to it, this cave was too long and too big, and it was impossible to fill it with a little spray.

Only a high tide can bring a large amount of seawater, and generally speaking, once the tide rises, it will last for half a day before the tide falls, which is enough to fill the cave.

"The tide is rising, the tide must be rising!"

Perhaps God heard the prayer, and about five minutes later, there was a sound of waves like thousands of horses galloping outside, and the rolling waves carried the power of heaven and earth, and the sound was as loud as thunder, shaking the heavens and the earth, and Zhao Hui could feel the thunderous roar above his head when he stood at the bottom of the cave.

Immediately after the sound of the waves, a large amount of seawater poured down from the entrance of the cave, smashing down onto the underwater mecha, smashing out a muffled bang, and the sea water falling from a height of twenty or thirty meters should carry huge kinetic energy.

Zhao Hui didn't dare to stay longer, and hurriedly ran towards the tail of the underwater mecha, the hole was almost above the head of the underwater mecha, the impact of the head was the largest, and the tail was the least impacted.

A thick stream of sea water poured down from the top, and as time went on, the hole at the top was also pounded bigger and bigger, and at first it was only one or two meters large, and after only two minutes, it became a large hole with a diameter of five or six meters.

The large cave of five or six meters has a large amount of sea water pouring down every second, and the water level of the cave force is gradually rising.

"Alas! The water level is over the chest, hold on, just hold on and you can get out. ”

"Get out alive."

Zhao Hui clenched his teeth and clasped his ten fingers on the cave wall to resist the impact of the sea, however, as the water level became higher and higher, he received more and more buoyancy, and his feet would leave the ground at any time and float.

"At this time, it would be nice if I could hold something," Zhao Hui said secretly, thinking of this, his eyes couldn't help but the tail of the underwater mecha, and the tail of the underwater mecha was equipped with horizontal and vertical stabilizing wings arranged in a cross shape.

A horizontal stabilizer wing is arranged on the port side and the port side, a vertical stabilizer wing is arranged on the upper and lower wings, a rudder plate is placed on each stabilizer wing, and a propeller is installed at the rear end of the tail section.