Purple and red mist dead reef island, fluorescent fungus carpet ancient star stone.

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Wave after wave, the sea swept away the dust.

"The rocks beneath the columbarium are not smooth, but full of holes...... "Xinglan leaned against the rock wall, her gaze swept down over the ground that had been re-baptized by the sea, "but these original caves were also tightly blocked by the ashes, and if it weren't for the obvious color difference, it really wouldn't be noticeable." ”

Gently tying up her long hair that began to flutter everywhere again, Xinglan took out a string of metal tools out of nowhere, bent down and began to try to open the ashes that had blocked the hole. This is not an easy task, and after such a long time, the otherwise soft dust has long since solidified and is as solid as a real rock.

After tossing and turning for a long time, Xinglan simply hooked the depressions on the rock walls on both sides with her bare feet, took off her diving gloves, and floated in the sea water in a comfortable position on her stomach, single-mindedly priing open the layers of sediment on the ground in front of her.

Rather than just emptying the clogged material, Xinglan also uses tools to crack open the crust of the rock in the most effortless standard posture to obtain deeper samples.

In the faint light, the girl's red eyes were full of concentration, digging down as she carefully collected sediment fragments from different periods and put them into the laboratory equipment she carried with her.

"Genetic sequencing testing...... Unknown. Frowning, Xinglan bit her finger and analyzed some of the fossil fragments she had just discovered, "Connect the Death Gene Sample Bank for a fuzzy comparison...... The similarity was very low......"

Click!

A crunch sound sounded above, and Xinglan quickly rolled in the water, and then looked up to see a rock slowly falling in the sea, and the uneven section not far above proved that it had just broken off from the main body.

Xinglan watched as the rock fragment swayed left and right under the impact of the uncertain direction of the sea, and staggered to the ground below, making a gentle bump.

"That's ......" Xinglan looked around strangely, but there was nothing but some fish passing by occasionally, she thought for a moment, stepped forward to pick up the rock fragment, and suddenly found a strange place in the cross-section......

"Although there are some slight differences, this is indeed a fossil containing photobacteria...... Xinglan took some samples for genetic comparison, and was more convinced that these small crystals were the remains of photobacteria, "This rock was once the kind of rock used by sea giants to breed photobacteria?" But shouldn't this be in a cave? Could it be ...... Is it a shift in height due to geological changes? ”

It seems like luck, but ...... Xinglan's red eyes narrowed slightly, as if she felt a little uneasy, and the rock happened to fall at this time...... Is it really a coincidence?

"Forget it, let it be~" Pouting, Xinglan let go of her foot that had been hooking the rock depression, stood up straight on the ground again, packed up her tools, tied the ballast she had just thrown down around her waist, and continued to move towards the depths of the canyon......

"Adventure, continue~"

……

A beam of light speeding through the starry sky suddenly dimmed slightly, and the ripples of interstellar gas in its path began to grow noticeably stronger, and its volume was no longer absolute zero. Faintly, a hazy and huge phantom seemed to appear around the beam, so faint that it was impossible to see the form of the phantom at all.

A wandering asteroid from the darkness suddenly appeared in front of it, facing the beam of light, and in an instant it came into contact with the phantom, and the two passed through each other, as if the phantom was really just an illusion...... However, if someone tests it with a precision instrument, it will be found that the relative speed of the asteroid decreases significantly after penetrating each other, and part of its momentum is canceled out.

The phantom is not a simple projection, the spatial distortion caused by the dimensional difference is gradually being restored, making the optical observation of it more and more obvious, and the ability of the matter itself to interfere with low-speed space is rapidly increasing, all of which shows that it is ......

Lightspeed Travelers are starting to slow down.

……

The outer ocean is surrounded by the Great Rift Valley under the sea.

After going hundreds of meters deep into the canyon again, Xinglan could feel that the ground had shown an obvious downward trend, and in the deeper and deeper canyons, the columbarium on the ground was getting thicker and thicker, but the undercurrent on the bottom of the sea gradually disappeared from some point to time.

The sea water has a faint purple red color, which is a phenomenon caused by the accumulation of purple bacteria in large numbers, and this strange and beautiful atmosphere is full of the smell of death.

"The amount of oxygen in the seawater has begun to approach zero infinitely...... "Xinglan almost travels through the pale purple-red water, "Highly toxic sulfides are everywhere, and this place is completely unsuitable for ordinary life. ”

The extended rift turned slightly, and after rounding the corner of a giant rock, a huge debris suddenly appeared on the ground in front of Xinglan...... Very familiar wreckage.

"It's ...... The Reef? ”

Xinglan shouted in surprise, and a series of bubbles erupted in the water, and the huge object in front of her that almost completely clogged the Great Rift Valley was almost identical to the reef island seen in the Marinezoic...... Except that it has no breath of life now, and it is soaked in sea water full of purple bacteria.

Some of the debris, shaped like reef debris, are scattered on the columbarium of the ground, looking messy and abrupt, and there are no reef companion species such as sucker fish, which may have long since been reduced to part of the ashes on the ground.

"How much larger was the original extent of these oxygen-free seawater, which is infested with purple bacteria, than it is now?" Xinglan looked back in the direction she had come from, and seemed to understand something, "So even outside the oxygen-free zone, you can see the ashes of the dead left in the past, and there may be an undersea volcano active underneath this area." ”

Walking to the front of the wreckage of the reef island, Xinglan gently reached out and stroked the ancient remains that had almost turned into fossils, and gently broke off a small piece of debris: "Identify isotopes...... The age of death of the object here is ...... The Spark Age? ”

Squinting her eyes slightly, a cute smile appeared at the corner of her mouth, Xinglan reached out and grabbed the protruding part of the reef island tightly, and climbed directly along its surface with both feet, until she stood on the top of the reef island, looking down ahead: "Is this really caused by the Xinghuo of the Starfire Era?" If it is said that the original circulation of ocean currents was interrupted by a strong impact from outside and the geological activity of the seabed was stimulated, then it is very likely! ”

Because of the darkness, it was difficult to see far even from the heights, but Xinglan was not discouraged, she walked to the other side of the top of the reef, looked at the underwater rift that continued to stretch below, opened her arms with a smile, and ...... Jump!

So, don't forget that this is the ocean, and even if you jump straight down, you can slowly float down, and don't expect a free fall or something.

Landing gently, Xinglan only bent her legs slightly to successfully offset the momentum of the fall, stood up straight, looked back at the dead reef island, and then continued to walk forward.

……

"There was a ...... There was a ......"

"For a long time...... Can't tell...... Can't judge ......"

"Contact? Can't judge ......"

In the invisible world, muttering to himself......

……

The columbarium is gone.

Yes, as Xinglan went deeper into the Great Rift Valley, the layer of ashes that covered the ground suddenly and quickly thinned and disappeared to expose the rocky ground, and at the same time, the oxygen content of the sea water began to rise again, the strange purple red color gradually faded, and even the environment was no longer so dark, and a sparkling fluorescent microbial community appeared on the rock wall.

"Unbelievable...... Xing Lan watched a small fish swim past her feet in some surprise, "This should be closer to the impact point, why is the ecological environment less affected?" ”

It seems that all life has returned to this world, and in the canyon is the history of life development on a planet, and the dead world has begun to come alive.

A faint fluorescence illuminates the deep sea, and Xinglan turns off her searchlights and discerns the scene in front of her with the natural light, and the visibility here can even reach about five meters!

Whining......

A strange murmur echoed in the sea above, reverberating for a long time, as if summoning something, and Xinglan could feel the large number of fish here quickly respond, swimming towards the sound source above.

Some inexplicably turned on the searchlight and looked up, but still couldn't see that far away, Xinglan pursed her lips and ignored it, but continued to walk slowly in the direction of the canyon stretch.

Syllable......

"It's ...... What the? Feeling a strange touch on the soles of her feet, Xinglan noticed that a slimy film began to appear above the rocks on the ground, and when she stepped on it barefoot, the soles of her feet were stained with a lot of strange slime, "This strange thing...... Some kind of discharge? Not right......"

Curiously picking up a slimy translucent droplet with her fingers, watching it naturally condense into a ball shape in the seawater, Xinglan couldn't help but be interested, and the observation hole in her pupils continued to deform and rotate, magnifying the image in her eyes......

"It's ...... Clusters of tiny organisms. Xinglan looked at the creature in the picture that was only one hundredth of a millimeter long, it looked like some kind of crustacean, densely packed together with countless of its kind in the slime, "Could it be that they are constantly purifying the sulfide pollution here?" ”

While the idea that this microorganism is the main force in improving the environment here is a bit unthinkable, it is very likely that this idea is true when you look at the more and more mucus-like strange fungus blankets ahead.

"The cleaner who creates an environment where other creatures can also live is a really good little guy." Xinglan smiled and sent the small drop of slime back to the rock, "It's small, but it's significant, since you can form this strange fungus blanket, then call it a blanket worm." ”

Further on, this strange fungus blanket could be seen everywhere on the ground, and Xinglan simply threw away the ballast and swam all the way above the fungus blanket. Some luminescent bacteria mixed with the fungus blanket have drawn a beautiful and ever-changing bright pattern on it, which is very strange.

Finally, at the point where the rift had been stretched out to form a large circle, Xinglan discovered a large crater, which was covered with fungus blankets, but still intact in outline, which was what she had expected.

The black body fragment left behind by a meteorite that has not completely burned out because of its huge size, spanning 200 million years of vicissitudes, is a testimony from the Spark Age.