48 Hours a Day

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It ’s June, and the sun is still abundant, so when I was on the boat, the three people all felt a little sultry when wearing a wetsuit, but the sultry feeling disappeared after entering the water, especially as the depth continued to increase, the temperature also began Gradually decreases.

Because the thermal conductivity of water is much higher than that of air, the loss of heat in water is greater than that on land, but fortunately, there are diving suits to keep out the cold, and leisure diving like this kind of general diving is not too deep Because of the pressure, every dive in the water will increase an atmospheric pressure every 10 meters, and there will be a danger of drunk nitrogen after 30 meters (the ordinary leisure diving cylinders mainly contain compressed air, which is 21%) Oxygen and 79% nitrogen, high pressure will allow nitrogen to merge into the body, the oxygen breathing under high pressure for too long will also cause oxygen poisoning).

The underwater ruins that Zhang Heng went to this time are probably at a depth of about 25 meters. This depth is basically no danger. With the water that Zhang Heng exercised in the copy of the black sail, even if no equipment is brought He can dive to this depth in a single breath. Of course, in that case, he does n’t want to spend much time underneath, basically seeing the ruins and having to go back to breathe.

Strictly speaking, this is not the first time Zhang Heng has dived in Okinawa.

When he was a child, he followed his parents to see corals in Asia 3, but that belongs to the pure parent-child leisure. The dive depth is less than 8 meters. The time spent underwater is also very short, only 20 minutes, and there is Coach accompanied.

Really want to count, when Zhang Heng is wearing equipment and staying underwater for a long time or in Apollo training camp, NASA uses the underwater environment to simulate weightlessness. Zhang Heng must not only stay underwater, but also have to receive from there. The console commands complete a series of operations.

So returning to the water again, Zhang Heng didn’t find it strange.

Whether it’s the feeling of weightlessness or the kind of quietness under water, almost all sounds are isolated from the sea. Every diver can only hear his inhalation and exhalation when diving, especially exhalation When the gas is in the air, the bubbles pass through the sea water, and the hua hua sound when floating upwards is quite reassuring.

Nelly really is as competent as she said, always staying no more than 2 meter away from the 2 people, closely monitoring the physical and mental conditions of the 2 people, and confirming that they did not encounter any trouble when diving. Before gesturing, he pointed to the relics not far away and let 2 people follow her.

In fact, she did not specifically signal, as long as you dive into the water, it is difficult to ignore the scene in front of you. This is a huge underwater palace or a pyramid-shaped building. It is very broken from the outside. It is said that it can be traced back to about 10000 BC.

If this seabed site was built by the people who lived there at that time, their production technology level may have reached the level of the Egyptians at the time of the pyramid repair, but you know that the latter happened around three thousand years BC.

This is why many experts firmly believe that the building made of stones is just a coincidence of nature. However, after witnessing the neat stone steps and the smooth and square rock walls, Han Lu still prefers to believe here It is really a relic left by a mysterious lost civilization.

She even saw traces of suspected gates and roads.

Nelly gestured to bring Zhang Heng and Han Lu closer, and she picked up the underwater camera to help the two people take a picture with the underwater ruins in front of her, and then swam towards the gate.

Han Lu brought the video recorder closely closely from behind, and Zhang Heng looked at the time and direction on the dive computer, and then followed along.

Three people crossed the stone gate in turn, saying it was a city gate, but in fact it was just 3 pieces of stones put together, and from time to time there were laid-back tropical fish swimming in front of Zhang Heng ’s eyes, apart from this Zhang Heng also saw a little sea hare.

The name speaks for itself of this sea creature looks as cute as a little bunny with ears (but it does not exclude the appearance of ugly sea rabbits, there are many kinds of things), up to Han Lu Strong woman, even a little girl like Nelly can’t bear this kind of cute stuff and sell it cutely. It’s like a photographer under the Victoria’s Secret platform.

After a delay of about one minute, I continued to move forward. Afterwards, 3 people swam through a narrow place. Only 2 people at the narrowest position could be side by side, and then the vision suddenly became wider, as if it was coming. In the hall of this underwater palace.

Looking around all around, it is a wall of rocks, and the top of the head is sparkling water.

Nelly, who led the way in the front, stopped her body, folded her left and right hands together, and swung her thumb up and down quickly. This was to tell the two people that there could be a turtle in front of her, and Han Lu swam over to see it. Two turtles were seen between the stone cracks, so she beckoned to Zhang Heng behind him, beckoning him to follow.

However, Zhang Heng, as if he hadn’t seen her beckoning, remained in place, and seemed to be a little surprised.

I do n’t know why, when I first saw this underwater ruin, Zhang Heng’s mind flashed a feeling of deja vu, but the feeling of deja vu was not too strong at first, but he came to this open air. ” In the lobby, this feeling reappeared again, and at this time, Zhang Heng knew where this sense of deja vu came from.

In the interracial copy, he had a weird dream before. In the dream, he came to a gloomy seaside town. After waiting for the shadows, he returned to the seaside town again. At that time, he was This feeling, and now, this feeling appears again.

Considering what happened later in that town, this is not a good sign.

Although this dive site is still famous, there are not many tourists every year, and no one has had an accident here so far, but Zhang Heng does not want to doubt his instinct perception.

He then gave Han Lu and Nelly thumbs up decisively and demanded to rise.

Nelly felt a little strange, and did n’t know why Zhang Heng suddenly suspended the dive, and wanted to gesture to ask Zhang Heng what difficulties she encountered. On the contrary, Han Lu had more experience. She and Zhang Heng had experienced the death dream event together. Later, he believed the latter unconditionally, and knew that there is another crazier and darker world under the ordinary world.

Therefore, I didn’t question why Zhang Heng made such a decision, but immediately made a firm gesture of ascent.

But immediately after seeing Nellie’s face suddenly changed, she anxiously gestured downward.